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The Canon EOS M50 and EOS M100 cameras represent the budget options in Canon's mirrorless lineup, but the "budget" label is a relative one because – as Canon's naming conventions suggest – these cameras are not on the same level. Typically speaking, Canon camera models with more numerical digits in their name are positioned lower in the camera lineup than cameras with fewer digits. In this case, the naming convention holds true. The EOS M50 has several features not included in the M100, the most notable of which is an EVF (Electronic Viewfinder). The big question becomes, are the M50's features worth spending more for?
 
Let's take a look at how the EOS M50 and EOS M100 compare to find out which camera might be the best for your specific needs.
 
Canon EOS M50 and M100 Shared Primary Features:
 

• Dual Pixel CMOS AF Sensor*
• Resolution: 6000 x 4000 pixels (24 MP)
• Crop Factor: 1.6x (APS-C sensor)
• Native EF-M Lens Support (compatible with EF/EF-S/TS-E/MP-E with EF-EOS M Adapter)
• Exposure Compensation: +/-3 EV in 1/3 stop increments
• Shutter Speed Range: 30-1/4000 sec in 1/3 stop increments
• LCD: 7.5 cm (3.0”) Touchscreen (TFT). 3:2 aspect ratio. Approx. 1,040,000 dots
• Built-in Flash GN: 5
• Flash x-Sync: 1/200 sec.
• Built-in Wi-Fi, Bluetooth and NFC
• My Menu (customizable menu) vs. none
• Operating Environment: 32–104°F / 0–40°C

* Dual Pixel CMOS sensor AF benefits unavailable during 4K recording (M50).
 
Primary Advantages of the Canon EOS M50:
 

• Electronic Viewfinder + LCD vs. LCD only
• DIGIC 8 processor vs. DIGIC 7
• 143 AF points vs. 49
• EV -2 – 18 AF working range vs. EV -1 – 18
• EV 0 – 20 metering range vs. EV 1 – 20
• Auto exposure bracketing vs. none
• Ambience/white priority AWB vs. ambience only
• Vari-angle LCD vs. tiltable 180 degrees up
• Flash recycling time: 3 sec. vs. 5
• Flash hot shoe vs. none
• Adobe RGB and sRGB color spaces vs. sRGB only
• 10 fps One Shot/7.4 fps Servo AF continuous shooting vs. 6.1 / 4
• .CR3 File Format with C-RAW vs. .CR2 (no C-RAW support)
• Up to 4K UHD video recording vs. Full HD 1080p
• Compatible with Bluetooth BR-E1 / mobile device remote control vs. mobile device only
• 9 customizable buttons vs. 2

Primary Advantages of the Canon EOS M100:
 

• 100-25600 Auto ISO range vs. 100 - 6400
• 21 shot RAW buffer in One Shot Mode vs. 10
• Approx. 295 shots (410 shots in Eco Mode) battery life vs. 235 (370)
• Smaller/Lighter: 4.26 x 2.64 x 1.38" (108.2 x 67.1 x 35.1mm), 11.29oz (320g) vs. 4.6 x 3.5 x 2.3" (116.3 x 88.1 x 58.7mm), 13.7 oz (387g)
• Lower cost

Who should opt for the Canon EOS M50?
 
If you need a versatile, mirrorless camera and would like to shoot 4K, then the choice is easy – get an EOS M50. It's the only Canon mirrorless option (at the moment) that can record 4K video. Although you don't get the benefits of Dual Pixel CMOS Movie Servo AF in 4K mode, the ability to shoot 4K combined with the M50's vari-angle LCD and small size/weight will make it an extremely useful tool for filmmaking, especially for vloggers or one-man crews. For those who prefer viewfinder shooting, once again, the choice is easy. The M50's OLED EVF is well designed and makes it much easier to use when shooting in bright sunlight. The EOS M50 also features a flash hot shoe, better/more sensitive AF system, more sensitive metering system, a faster continuous shooting burst rate, exposure bracketing and more AWB options. These features along with the camera's new .CR3 RAW file format (with space saving C-RAW support) result in a camera that is simply more capable of capturing compelling imagery compared to the EOS M100.
 
Who should opt for the Canon EOS M100?
 
Of the limited number of advantages the EOS M100 has over the M50, the two which will likely prove most compelling for most will be its lower cost and smaller size/lighter weight. If your budget does not extend to the M50, you need the absolute smallest and lightest Canon mirrorless option available or you don't anticipate utilizing the M50's extra features, the M100 is there for you.
 
Relevant Information
 

• Canon EOS M50 Review
• Canon EOS M100 Review

In February 2017, Canon announced the EOS M6. One year later, Canon announced the M50, a similar camera with a feature many M6 customers craved – 4K video recording. Even though the M50 is positioned lower than the M6 in Canon's M-series lineup, you might be surprised to see just how close these cameras are to one another.
 
Let's look at these two mirrorless camera offerings from Canon to see which might represent the best camera for your kit.
 
Canon EOS M6 and M50 Shared Primary Features:
 

• Dual Pixel CMOS AF Sensor*
• Resolution: 6000 x 4000 pixels (24 MP)
• Crop Factor: 1.6x (APS-C sensor)
• Exposure Compensation: +/-3 EV in 1/3 stop increments
• Auto Exposure Bracketing (AEB): 3 shots, +/- 2 EV, 1/3-stop increments
• Shutter Speed Range: 30 - 1/4000 sec (1/3 stop increments)
• 7.5 cm (3.0”) touchscreen LCD (TFT), approx. 1,040,000 dots.
• Flash x-sync: 1/200 sec
• Pop-up Flash: GN 5, 15mm coverage
• Memory Card Support: SD, SDHC, SDXC (UHS-I compatible)
• Built-in Wi-Fi, Bluetooth and NFC

* Dual Pixel CMOS sensor AF benefits unavailable during 4K recording (M50).
 
Primary Advantages of the Canon EOS M6:
 

• Larger Auto ISO Range: 100 - 25600 vs. 100 - 6400
• Larger RAW Buffer: 17 vs. 10
• More Customization Options: 13 customizable buttons/dials vs. 9
• Rear control dial vs. cross keys
• Longer Battery Life: approx. 295 shots (425 shots with Eco Mode On) vs. Approx. 235 shots (370 shots with Eco Mode On)
• Smaller Size: 4.4 x 2.7 x 1.8" (112.0 x 68.0 x 44.5mm) vs. 4.6 x 3.5 x 2.3" (116.3 x 88.1 x 58.7mm)
• Compatible with E3, infrared and Bluetooth remotes vs. Bluetooth only

Primary Advantages of the Canon EOS M50:
 

• New Image Processor: DIGIC 8 vs. DIGIC 7
• More AF Points: max 143 vs. 49
• More Sensitive AF: EV -2 – 18 vs. EV -1 – 18
• Built-in Electronic Viewfinder, 0.39-type OLED electronic viewfinder, approx. 2,360,000 dots vs. optional EVF (EVF-DC1 / EVF-DC2)
• Expanded AF Area: max 88% x 100% (W x H) sensor coverage vs. 80% x 80%
• Better Face Tracking AF: eye detection vs. standard face tracking
• Larger Metering Range: EV 0 – 20 vs. EV 1 – 20
• Higher Resolution Video: 3840 x 2160 (4K UHD, 23.98 fps) / 1920 x 1080 (Full HD, 59.94 fps) vs. 1920 x 1080 (Full HD, 59.94 fps) only
• More White Balance Options: ambience/white priority vs. ambience only
• Faster Continuous Shooting: 10 fps (7.4 fps with Servo AF) vs. 9 (7 with Servo AF)
• Vari-angle LCD vs. tilting only
• Lower cost

Who should opt for the Canon EOS M6?
 
Like the EOS M5 vs. M50 Comparison, the feature gap between the EOS M6 and the EOS M50 is quite narrow, relatively speaking.
 
If you're a seasoned photographer who appreciates having a myriad of easily accessible controls, then the M6's Exposure Compensation, Quick Control and Rear Control Dials could tip the balance in its favor. To see what I mean, flip between the two cameras in our Camera Top View Comparison. The two most prominent M6 features you'll likely notice are the Exposure Compensation and Quick Control dials, both of which are missing on the M50. Also absent on the M50 are the M6's custom shooting modes, located on the Mode Dial.
 
Every photographer will benefit from the M6's longer battery life. Many will also appreciate the M6's larger RAW buffer and plentiful remote options.
 
Who should opt for the Canon EOS M50?
 
If you prefer shooting with a viewfinder as opposed to framing your scene via the camera's LCD screen (or purchasing an optional viewfinder accessory which renders the camera's hot shoe unusable), then the EOS M50 is your camera. The M50's feature set will make it especially handy for vacations, social gatherings and general purpose photography and videography. With its advanced and more sensitive AF system, capturing in-focus images of human subjects – even in low light – will be easier. Although you don't get the benefits of Dual Pixel CMOS Movie Servo AF in 4K mode, the ability to shoot 4K combined with the M50's vari-angle LCD and small size/weight will make it an extremely useful tool for filmmaking, especially for vloggers or one-man crews. If outputting to 1080p video, set a tripod-mounted M50 to record 4K video and then pan around the frame in post for high quality b-roll, or otherwise reap the benefits of automatic and smooth Dual Pixel Movie Servo AF when recording 1080p video (the latter benefit is identical to the M6).
 
Summary
 
As we mentioned in the beginning of this comparison, these cameras are very similar. While their names may suggest a clear hierarchy, the cameras' feature sets belie simplistic categorization. Both cameras will likely serve most interested consumers very well, with the handful of differences above – and the benefits they bring to select shooting conditions – will ultimately determine which camera fits one's needs best.
 
Relevant Information
 

• Canon EOS M6 Review
• Canon EOS M50 Review

If you're ready to step up from smartphone photography to one of Canon's entry-level DSLRs, you may be asking yourself "Which might be a better option for me? The Canon EOS Rebel T7i or the Rebel T7?"
 
If so, you're in luck. Today we're going to take a close look at these two Canon Rebel cameras to see which might be the better fit for your needs. First, let's take a look at what they have in common.
 
Canon EOS Rebel T7i/800D and Rebel T7/2000D Shared Primary Features:
 

• Resolution: 6000 x 4000 pixels (24 MP)
• Crop Factor: 1.6x (APS-C sensor)
• Metering Range: EV 1 – 20
• Exposure Compensation: +/-5 EV in 1/3 or 1/2 stop increments
• Shutter Speed: 30-1/4000 sec
• Flash x-sync: 1/200 sec
• Viewfinder: pentamirror, 95% coverage
• Built-in Wi-Fi and NFC

Primary Advantages of the Canon EOS Rebel T7i/800D:
 

• Dual Pixel CMOS AF Sensor vs. traditional CMOS sensor
• Better Image Processor: DIGIC 7 vs. DIGIC 4+
• Better AF System: 45 cross-type AF points (45 f/5.6 cross-type AF points, 27 f/8 points [9 cross-type], center point is f/2.8 and f/5.6 dual cross-type) vs. 9 AF points (f/5.6 cross type at center)
• Focuses in Lower Light: EV -3 - 18 (at 23 °C & ISO 100) vs. EV 0 -18 (center point), EV 1 -18 (outer points)
• Better Metering: 7560-pixel RGB+IR metering sensor, metering with the area divided into 63 segments (9 × 7) [Evaluative, Partial, Center-weighted and Spot] vs. TTL full aperture metering with 63-zone SPC [Evaluative, Partial and Center-weighted]
• More Auto Exposure Bracketing (AEB) Options: 2, 3, 5 or 7 Shots +/-3 EV 1/3 or 1/2 stop increments vs. 3 shots +/- 2 EV, 1/2 or 1/3-stop increments
• Greater ISO Range: ISO AUTO (100 - 25600), 100 - 25600 (H1: 51200) in 1 stop increments vs. AUTO (100-6400), 100-6400 (H: 12800) in 1-stop increments
• Custom, Color Temperature White Balance Setting vs. none
• Higher Pop-up Flash Guide Number: 13.1 (ISO 100, meters) vs. 9.2
• Peripheral illumination, chromatic aberration, distortion and diffraction correction vs. peripheral illumination correction only
• Higher Burst Rage with Larger Buffer: max. approx. 6 fps for 27 RAW images vs. 3 fps for 11 RAW
• Higher Framerate Full HD Video: 1080p video at 60 fps vs. 1080p video at 30 fps
• Low-energy Bluetooth vs. none
• More Custom Functions: 15 custom functions with 44 settings vs. 11 custom functions with 33 settings
• External 3.5mm microphone port vs. none
• Compatible with Faster Memory Cards: supports SDXC (UHS-I) vs. SDXC
• Better Battery Life: approx. 820 shots vs. 500
• Compatible with More Remotes: E3 (corded), infrared (RC-series) & Bluetooth vs. E3 only

Primary Advantages of the Canon EOS Rebel T7/2000D
 

• Smaller Size: 5.08 x 3.99 x 3.06" (129.0 x 101.3 x 77.6mm) vs. 5.16 x 3.93 x 3.00" (131.0 x 99.9 x 76.2mm)
• Lighter Weight: 16.75 oz (475g) vs. 18.77 oz (532g)
• Lower cost

If you glance at the specifications comparison found on this site, you'll likely notice that the Rebel T7 features a faster pop-up flash recycling time compared to the Rebel T7i (2 sec vs. 3 sec), which would seem to indicate an advantage. However, the T7 has a faster recycling time because it has a lower power flash. When fired at the T7's full power level, the T7i's recycling time will likely be similar.
 
Who Should opt for the Canon EOS Rebel T7i/800D?
 
When describing the customers who may be best served by the cameras in one of our comparisons, we typically start with the higher-end option as its versatility will make it an overall better option for most consumers. In this case, the feature difference between the cameras is so substantial and the advantages so one-sided that there is really only one reason to choose the Canon EOS Rebel T7 over the Rebel T7i – a lower price tag.
 
The Rebel T7i's Dual Pixel CMOS AF sensor, more advanced/sensitive AF system, higher burst rate/larger buffer and longer battery life could all be considered justification for the camera's higher price tag when considered individually. Put all those features together and the value you receive for the T7i's incremental price over the T7 is monumental.
 
Who Should opt for the Canon EOS Rebel T7/2000D?
 
As previously mentioned, the primary reason to opt for the EOS Rebel T7/2000D is for its lower cost. The Rebel T7 will be more than adequate for capturing high quality imagery under normal / not-so-challenging conditions, and those stepping up from smartphone photography will certainly appreciate the benefits of a significantly larger sensor and the ability to change lenses. And speaking of lenses, for the price of a Rebel T7i + EF-S 18-55 IS STM kit, you could get a Rebel T7 + EF-S 18-55 IS II, EF 50mm f/1.8 STM and EF-S 24mm f/2.8 STM lens.
 
Beginner/novice photographers aren't the only groups that will appreciate the Rebel T7's lower price tag. Advanced photographers wanting to capture images in high-risk-of-damage situations can more easily justify the sacrificial cost of a Rebel T7. Such photographers can mount the T7 to a car, motorcycle, bicycle, boat, etc. to capture dynamic imagery without risking damage to their primary camera(s).
 
Summary
 
Few camera comparisons are a clear-cut as this one. The Canon EOS Rebel T7i's superset of features will make it a more versatile imaging platform for those who can afford its price difference over the Rebel T7. But for those whose budgets don't extend that far, especially beginner/novice photographers, the Rebel T7 offers a solid step-up for those currently shooting with smartphones and/or point-and-shoot cameras who want to experience the benefits of interchangeable lens camera photography first-hand.
 
Relevant Info
 

• Canon EOS Rebel T7i/800D Review
• Canon EOS Rebel T7/2000D Review

The Canon USA Store is the exclusive North American retailer of the Canon EOS Rebel T7 (so far). The Canon EOS Rebel T7i can be found at B&H | Adorama | Amazon (for more retail links, see the bottom of the T7i Review).

In September 2016, Canon announced its flagship M-series camera, the M5. Almost 18 months later, Canon announced the M50, a more-similar-than-different camera with a feature many M5 customers craved – 4K video recording. Even though the M50 is positioned lower than the M5 in Canon's M-series lineup, I think you'll be surprised to see just how close these cameras are to one another. Instead of siblings divided by years, they're more like fraternal twins.
 
Let's look at these two mirrorless camera offerings from Canon to see which might represent the best camera for your kit.
 
Canon EOS M5 and M50 Shared Primary Features:
 

• Dual Pixel CMOS AF Sensor*
• Resolution: 6000 x 4000 pixels (24 MP)
• Crop Factor: 1.6x (APS-C sensor)
• Exposure Compensation: +/-3 EV in 1/3 stop increments
• Auto Exposure Bracketing (AEB): 3 shots, +/- 2 EV, 1/3-stop increments
• Shutter Speed Range: 30 - 1/4000 sec (1/3 stop increments)
• Viewfinder: 0.39-type OLED electronic viewfinder, approx. 2,360,000 dots
• Flash x-sync: 1/200 sec
• Pop-up Flash: GN 5, 15mm coverage
• Memory Card Support: SD, SDHC, SDXC (UHS-I compatible)
• Built-in Wi-Fi, Bluetooth and NFC

* Dual Pixel CMOS sensor AF benefits unavailable during 4K recording (M50).
 
Primary Advantages of the Canon EOS M5:
 

• Larger Auto ISO Range: 100 - 25600 vs. 100 - 6400
• Larger RAW Buffer: 17 vs. 10
• Larger / Higher Resolution LCD Screen: 8.0 cm (3.2”) ClearView II touchscreen LCD (TFT), approx. 1,620,000 dots. vs. 7.5 cm (3.0”) touchscreen LCD (TFT), approx. 1,040,000 dots.
• More Customization Options: 12 customizable buttons/ dials vs. 9
• Longer Battery Life: approx. 295 shots (420 shots with Eco Mode On) vs. Approx. 235 shots (370 shots with Eco Mode On)
• Wider Operating Environment: 14 – 104 °F (-10 – 40 °C) vs. 32 – 104 °F (0 – 40°C)
• Compatible with E3, infrared and Bluetooth remotes vs. Bluetooth only

Primary Advantages of the Canon EOS M50:
 

• New Image Processor: DIGIC 8 vs. DIGIC 7
• More AF Points: max 143 vs. 49
• More Sensitive AF: EV -2 – 18 vs. EV -1 – 18
• Expanded AF Area: max 88% x 100% (W x H) sensor coverage vs. 80% x 80%
• Better Face Tracking AF: eye detection vs. standard face tracking
• Larger Metering Range: EV 0 – 20 vs. EV 1 – 20
• Higher Resolution Video: 3840 x 2160 (4K UHD, 23.98 fps) / 1920 x 1080 (Full HD, 59.94 fps) vs. 1920 x 1080 (Full HD, 59.94 fps) only
• More White Balance Options: ambience/white priority vs. ambience only
• Faster Continuous Shooting: 10 fps (7.4 fps with Servo AF) vs. 9 (7 with Servo AF)
• Vari-angle LCD vs. tilting only
• Lower cost

Who should opt for the Canon EOS M5?
 
Unlike many of our comparisons, the feature gap between the EOS M5 and the EOS M50 is quite narrow, relatively speaking. However, there are a few differences between the two cameras that may prove pivotal in one's decision making process.
 
If you're a seasoned photographer who appreciates having a myriad of easily accessible controls, then you'll really appreciate the M5's user interface. To see what I mean, flip between the two cameras in our Camera Top View Comparison. The two most prominent M5 features you'll likely notice are the Exposure Compensation and Quick Control dials, both of which are missing on the M50. Also absent on the M50 are the M5's custom shooting modes, located on the Mode Dial.
 
Those shooting in cold conditions will certainly benefit from the M5's wider environmental operating range and longer battery life. Many will appreciate the M5's higher resolution LCD, larger RAW buffer and plentiful remote options.
 
Who should opt for the Canon EOS M50?
 
In short – everyone else. The M50's feature set will make it especially handy for vacations, social gatherings and general purpose photography and videography. With its advanced and more sensitive AF system, capturing in-focus images of human subjects – even in low light – will be easier than ever so you can focus less on photography and more on the time spent with family and friends. Although you don't get the benefits of Dual Pixel CMOS Movie Servo AF in 4K mode, the ability to shoot 4K combined with the M50's vari-angle LCD and small size/weight will make it an extremely useful tool for filmmaking, especially for vloggers or one-man crews. If outputting to 1080p video, set a tripod-mounted M50 to record 4K video and then pan around the frame in post for high quality b-roll, or otherwise reap the benefits of automatic and smooth Dual Pixel Movie Servo AF when recording 1080p video (the latter benefit is identical to the M5).
 
Summary
 
As we mentioned in the beginning of this comparison, these cameras are very similar. While their names may suggest a clear hierarchy, the cameras' feature sets belie simplistic categorization. Both cameras will likely serve most interested consumers very well, with the handful of differences above – and the benefits they bring to select shooting conditions – will ultimately determine which camera fits one's needs best.
 
Relevant Information
 

• Canon EOS M5 Review
• Canon EOS M50 Review

With the release of the Sony a7R III, many may be wondering how Sony's latest high-resolution full-frame mirrorless camera stacks up against Canon's latest 5-series camera, the EOS 5D Mark IV, and which camera might suit their needs best. So, let's dig into the details and find out.
 
First, let's take a look at some differentiating specifications between the two cameras.
 

	Canon EOS 5D Mark IV	Sony a7R III
Resolution	30.4	42.4
AF Type	TTL secondary image-forming phase-difference detection system with Dual Pixel & AF-dedicated sensor	Fast Hybrid AF (phase-detection AF/contrast-detection AF)
AF Points	61 Point / max of 41 cross-type AF points inc 5 dual cross type at f/2.8 and 61 points / 21 cross-type AF points at f/8	399 points (phase-detection AF)
AF Working Range	EV -3 - 18	EV -3 - 20
Metering	Approx. 150,000-pixel RGB+IR metering sensor, 252-zone metering.	1200-zone evaluative metering
Metering Range	EV 0 - 20	EV -3 - 20
Continuous Shooting	Max. Approx. 7fps, up to 21 RAW	Max Approx. 10 fps, up to 28 Uncompressed RAW
Viewfinder Type	Pentaprism	1.3 cm (0.5-type) electronic viewfinder (color), Quad-VGA OLED
Mirror	Motor Driven Quick-return half mirror	N/A
Shutter Durability	150,000	500,000
In-Body Stabilization	N/A	5-axis, up to 5.5 stops
4K Video	.MOV (MJPEG), 1.74x crop factor	XAVC S:MPEG-4, full sensor width
LCD	Touch screen 3.2" (8.10cm) Clear View LCD II, approx. 1620K dot	Tilt type touch screen 1.44m-Dot 2.95 inch (3.0-type) TFT
Wireless Features	Wi-Fi & NFC	Wi-Fi, NFC & Bluetooth
GPS	Yes	No
Battery Life	Approx. 900 shots	Approx. 530 shots (Viewfinder), 650 shots (LCD monitor)
Size	5.93 x 4.58 x 2.99" (150.7 x 116.4 x 75.9mm)	5.0 x 3.88 x 3.0" (126.9 x 95.6 x 73.7mm)
Weight	31.4 oz (890g)	23.2 oz (657g)
Memory Card Slots	Dual Slots: CompactFlash Type I (UDMA 7 compatible); SD/SDHC/SDXC and UHS-I	Dual Slots: Memory Stick PRO Duo/PRO HG-Duo/Micro M2, SD/SDHC/SDXC

Looking at the specifications alone, the Sony a7R III appears to one-up the Canon EOS 5D Mark IV in almost every major spec category (differences in memory card formats aside). However, the specifications only tell a part of the story; other factors must be considered before deciding between these two cameras.
 
Size, Weight and Battery Life
 
As indicated by the table above, the Sony a7R III is smaller and lighter than the Canon 5D Mark IV, traits that many will appreciate. But, there are drawbacks to the a7R III's smaller size and lighter weight.
 
The first drawback is that the smaller design leads to a smaller battery, which in turn results in a shorter battery life. The second drawback is that the smaller design can also lead to an uncomfortable grip for those with medium-sized hands (or larger) when using the a7R III with many pro-grade lenses.
 

The Sony a9 is shown above with the Sony FE 70-200mm f/2.8 GM OSS Lens; the grip is nearly identical on the a7R III.
 
The Sony a7R III's smaller size and lighter weight will surely be appreciated by those who must hike significant distances to their desired photo locations. And for those shooting landscapes with a tripod, the comfort of a camera's grip may be a low priority. But for those shooting weddings, festivals or events – situations requiring that the camera be handheld for long periods of time – may appreciate the 5D Mark IV's more comfortable grip as well as its roughly 50% longer battery life.
 
Viewfinders
 
Viewfinder implementations differ significantly between the Canon EOS 5D Mark IV and the Sony a7R III, where the Canon body offers a traditional optical viewfinder (with customizable overlays) and the Sony body features an electronic viewfinder. Each type of viewfinder has benefits and drawbacks compared to the other (such as an EVF's elimination of viewfinder blackout times), and Bryan shared his thoughts on the advantages/disadvantages of electronic/optical viewfinders in his article, "Comparing Electronic Viewfinders to Optical Viewfinders". Be sure to check out the preceding information to determine which of these systems you may prefer.
 
Durability & Reliability
 
The time span between Canon's first 5-series camera to its latest iteration, the Mark IV, was 11 years (2005 - 2016). The time span between Sony's first a7R and the introduction of the a7R III was 4 years (2013 - 2017).
 
Canon rates the 5D Mark IV's shutter at 150,000 actuations; Sony claims the a7R III can withstand 500,000 actuations. If both companies are using similar procedures for determining shutter reliability, then Sony's significantly higher shutter rating will be comforting.
 
The Canon EOS 5D Mark IV and the Sony a7R III are solidly built and both are billed as "weather resistant" cameras. However, Canon has had significantly more time to refine their camera design for optimal protection from water and dust. We didn't test the thoroughly test the cameras' weather resistance, but we'd personally feel more confident shooting with the 5D Mark IV in adverse conditions.
 
Autofocus Performance
 
Sony's mirrorless cameras' AF performance has dramatically improved over the last couple of years, resulting in the gap between mirrorless and traditional DSLR AF performance quickly diminishing. But while the Sony a7R III focuses faster in one shot mode compared to its predecessor, it still isn't as fast as the 5D Mark IV. That's because the a7R III must defocus in order to obtain focus, causing a noticeable delay even when little has changed in the scene between shutter clicks.
 
In AF tracking mode, both cameras perform similarly well (either in viewfinder mode or LCD/Live View focusing).
 
Menu System
 
Having used Canon cameras for a number of years, we've grown acclimated to Canon's logical, easy to use menu system. Unfortunately, the Sony a7R III menu system seems needlessly complicated with 45 subtabs under the 5 main tabs. That Sony has included a customizable "My Menu" option has helped, allowing for quick access to your most-used menu items. Even so, we still greatly prefer the Canon menu system.
 
Video
 
While both cameras allow for 4K recording at 30p, there are some distinct differences between the cameras' video features. First, the 5D Mark IV records 4K video in .MOV (Motion JPEG) format with a crop factor of 1.74x; the a7R III in XAVC S:MPEG-4 AVC/H.264 using the full senor width (no crop). This difference alone may be the deciding factor between the two cameras if wide angle, 4K video is a top priority for you. The Sony camera is also capable of recording Full HD (1080p) video at 120 fps, while the Canon DSLR tops out at 60 fps.
 
Video shooters will also love the Sony a7R III's built-in 5-axis stabilization, allowing for smoother video recording regardless of the lens that's attached, as well as its tilting LCD screen for odd-angle shooting. The a7R III also features S-LOG 3 and HLG (Hybrid Log Gamma) Picture Profiles, while Canon Log is only available as an add-on (more expensive) upgrade for the 5D mark IV.
 
Customer Support
 
Canon is widely recognized as having an excellent support system, including (not not limited to) Canon Professional Services, the division which specifically caters to those who make a living with their imaging gear. The support we have received from Canon USA and Canon Professional Services has over the years has been very good. Canon USA's Customer Service Technicians have been eager to help and knowledgeable when we have needed phone support, and our experience with Canon's repair department (in the few times we've needed a repair) has been equally satisfying.
 
On the other hand, Sony is still in the building process when it comes to customer support for their E-mount camera system. As such, they don't necessarily have a reputation for exemplary customer service [yet, though things seem to be getting better].
 
Price
 
At the time of this comparison, the Sony a7R III's retail price is roughly $300.00 less expensive than the EOS 5D Mark IV, not counting instant rebates which can make the cameras much closer in price. But when considering the cost of the camera, it's also wise to think about the cost of the whole camera kit you may be considering.
 
Therefore, let's take a look at two comparable kits based on the two cameras.
 
Sony a7R III
Sony FE 16-35mm f/2.8 GM
Sony FE 24-70mm f/2.8 GM
Sony FE 70-200mm f/2.8 GM OSS
Total MSRP: $10,192.00
 
Canon EOS 5D Mark IV
Canon EF 16-35mm f/2.8L III USM
Canon EF 24-70mm f/2.8L II USM
Canon EF 70-200mm f/2.8L IS II USM
Total MSRP: $9,696.00 ($8,996.00 with current rebates)
 
Of course, MSRP values and the availability (and values) of instant rebates can change over time (possibly changing the advantage), but the above represents a current advantage of the Canon kit. Interesting is that the difference in weight between these two kits is only 9.6 oz (272 g), with the Canon kit being slightly heavier.
 
Wrap Up
 
There's no doubt that you can use either of these cameras in a professional setting to create high quality images or video. If you primarily shoot video, though, the Sony a7R III's advanced video features will likely make it the best overall choice for your needs. And, if you aren't heavily invested in the Canon ecosystem already, choosing the a7R III may make a lot of sense.
 
However, if you already have a decent Canon camera kit and you're not primarily a video shooter, I'm not convinced that the Sony a7R III offers enough advantages over the 5D IV to justify the cost, time and energy of completely switching brands. In which case, the Canon 5D Mark IV would most likely be the better option.
 
Note: Because of the performance limitations experienced when using Canon lenses on Sony cameras (via adapters), we don't consider that to be a viable solution (yet) for most serious photographers.
 
So what are the differentiators that keep you from switching from one of these cameras to the other? Let us know in the comments.

With the recent release of the Sony a7R III, many may be wondering, "Should I get the a7R III or get the less expensive a7R II instead?" That's a very fair question, and that's why we're going to be looking at how these two MILCs (Mirrorless Interchangeable Lens Cameras) stack up against one another.
 
Sony a7R III and Sony a7R II Shared Primary Features
 

• 42.4 MP full frame sensor
• Wi-FI & NFC
• 399 phase-detection AF
• EV -3 – EV 20 metering range
• 30 - 1/8000 sec shutter speed
• 0.78x viewfinder magnification
• Up to 4K: 3840 x 2160 30p/100 Mbps video recording

Primary Advantages of the Sony a7R III over the Sony a7R II
 

• Faster, more accurate AF system with multi-selector joystick for much easier focus point changes
• 425 contrast AF points vs. 25
• Up to 10 fps, 28 RAW (Uncompressed) buffer vs. 5 fps, 22 RAW (Uncompressed)
• ISO 100 - 32,000 (Exp: ISO 50 – 102400) vs. ISO 100 - 25,600 (Exp: ISO 50 – 102400)
• 3.69m-Dot Quad-VGA Tru-Finder OLED EVF vs. 0.5" 2.36M-Dot XGA OLED Tru-Finder EVF (the III has 1.5x resolution, approx. 2x luminance, 120 fps, 30% faster startup, high quality mode)
• 3.0" 1.44m-Dot Tilting Touchscreen (limited) LCD vs. 3.0" 1,228.8k-Dot Tilting LCD Monitor
• Approx. 650 frame battery life (stills, LCD monitor) vs. 340
• 5.5 stop IBIS vs. 4.5 stops
• Higher quality full-frame 4K high-sensitivity movies, improved movie AF, Hybrid Log-Gamma, S-Log3, Slow&Quick motion, Photo Capture, Proxy Recording
• Dual SD memory card slots vs. single SD (III supports high write speeds)
• Full HD 1080p video at 120 fps vs. 60 fps
• S-LOG 3 and HLG (Hybrid Log Gamma) Picture Profiles vs. N/A
• Pixel Shift Multi Shooting vs. N/A
• USB 3.1 Gen 1 Type-C port vs. USB 2.0
• Anti-flicker shutter timing vs. N/A
• Built-in Bluetooth, Wi-Fi (w/ftp) & NFC vs. Wi-Fi & NFC only
• Customizable My Menu
• Improved peaking, Focus magnification with AF support, Rating, Display continuous shooting group

Primary Advantages of the Sony a7R II over the Sony a7R III
 

• Lower cost
• Slightly smaller size, lighter weight: 5.0 x 3.8 x 2.4" (126.9 × 95.7 x 60.3mm), 22.0 oz (625g) vs. 5.0 x 3.88 x 3.0" (126.9 x 95.6 x 73.7mm), 23.2 oz (657g)

Who should opt for the Sony a7R III?
 
Those who wish to capture high resolution sports imagery will immediately appreciate the Sony a7R III's twice-as-fast burst rate (10 fps vs. 5), image grouping display, upgraded AF system and [possibly] the new anti-flicker shutter timing (it may work better under some conditions than it worked in our tests). Those using the a7R III for professional filmmaking will likely benefit from the ability to record 1080p video at 120 fps, the upgraded AF, improved peaking and the S-LOG 3 and HLG (Hybrid Log Gamma) Picture Profiles.
 
Wedding photographers will enjoy the added security of the a7R III's dual memory card slots, and sharing images immediately on social media will be made easier with built-in Bluetooth.
 
Regardless of one's specialty, the upgraded IBIS system providing an extra stop of assistance to help keep images sharp will surely be appreciated by almost all photographers. The same sentiment holds true for the a7R III's increased battery life.
 
Who should opt for the Sony a7R II?
 
As is typical of successor vs. predecessor camera comparisons, the primary reason to recommend the purchase of a camera's predecessor – in this case, the Sony a7R II – is the older camera's lower cost. And in this case, the trend continues, with the a7R II weighing in with a 25% discount (with instant rebates) compared to the a7R III.
 
Landscape, architecture/real estate and studio photographers, in particular, who don't necessarily need a better AF system or a faster burst rate, will have fewer reasons to invest in the a7R III's upgraded features as the a7R II's sensor provides similar, high image quality. That said, the brighter viewfinder and longer battery life of the a7R III will be welcomed even by these groups.
 
Relevant Review
 

• Sony a7R III Review

B&H carries the Sony a7R III and Sony a7R II mirrorless full frame cameras.

If you are a professional, semi-pro or a serious enthusiast photographer who is in the market for a reliable, robust, full-frame Canon camera, the two bodies most likely to be considered are the EOS-1D X Mark II and EOS 5D Mark IV. In this installment of "Which Should I Get?," we'll take a look at these two camera bodies to see which might be the better keystone for your kit.
 
First of all, let's look at a few of the primary specifications that these bodies have in common:
 
Canon EOS-1D X Mark II and EOS 5D Mark IV Shared Primary Features
 

• Full-frame, Dual Pixel CMOS AF sensor
• AF system: 61 Point / 41 cross-type AF point including 5 dual cross type at f/2.8 and 61 points / 21 cross-type AF points at f/8
• AF Working Range: EV -3 - 18
• Metering Range: EV 0 – 20
• Ambience & White Priority Auto White Balance
• 100% viewfinder coverage
• 3.2" (8.10cm) Clear View LCD II, approx. 1620K dots
• Up to 4K (Motion JPEG) video recording with 4K frame grab
• Built-in GPS

Primary advantages of the Canon EOS-1D X Mark II over the EOS 5D Mark IV:
 

• Dual DIGIC 6+ processors vs. single DIGIC 6+
• ISO 100-51200, L 50, H1 102400, H2 204800, H3 409600 vs. ISO 100-32000, L 50, H1 51200, H2 102400
• Approx. 14fps with full AF / AE tracking, speed maintained for up to unlimited number of JPEGs or 170 RAW images (with CFast 2.0 card) vs. approx. 7fps with full AF / AE tracking, speed maintained for up to unlimited number of JPEGs or 21 RAW images
• Approx. 360,000-pixel RGB+IR metering sensor, 216-zone metering vs. 150,000-pixel RGB+IR metering sensor, 252-zone metering
• AF point-linked spot metering vs. center-point only spot metering
• 1/250 sec. max flash x-sync vs. 1/200 sec.
• 5 Custom White Balance settings can be registered vs. 1 setting
• 4K video recording max frame rate 59.94 fps vs. 4K video max 29.97 fps
• Interchangeable focusing screens vs. N/A
• 34 custom functions vs. 17
• Sound memos vs. N/A
• RJ-45 (gigabit Ethernet) port vs. N/A
• Approx. 1210 frame battery life vs. 900
• 400,000 shutter durability rating vs. 150,000
• Better weather sealing

Primary advantages of the Canon EOS 5D Mark IV over the EOS-1D X Mark II:
 

• 30.4 MP vs. 20.2
• Smaller & Lighter: 5.93 x 4.58 x 2.99" (150.7 x 116.4 x 75.9mm), 31.4 oz (890g) vs. 6.22 x 6.6 x 3.25" (158.0 x 167.6 x 82.6mm), 53.97 oz (1530g)
• Full touch-screen LCD interface vs. limited touch-screen
• Built-in Wi-Fi & NFC vs. N/A (Wi-Fi requires Wireless File Transmitter WFT-E6A, WFT-E8A accessory)
• Lower price

Who should opt for the Canon EOS-1D X Mark II?
 
If you are a photographer primarily interested in capturing fast-action sports, the EOS-1D X Mark II's blazingly fast 14 fps burst rate and huge 170 frames RAW buffer (in our tests, the buffer was actually only limited to the CFast memory card's capacity) will help you capture the optimal moment(s) when the action is at its peak. And if your sporting event is held in inclement weather, the 1D X II's extra weather sealing will certainly be appreciated.
 
If you're primarily a studio photographer who doesn't need more than roughly 20 MP of resolution, the 1D X II's gigabit Ethernet port is a great asset for tethered shooting.
 
Those using their DSLR to capture video will appreciate the 1D X II's 4K recording at 60 fps, although the larger body may prove cumbersome in some setups. A benefit for some filmmakers (and a drawback for others) is the 1D X II's approximate 1.3x focal length crop factor utilized in 4K video recording allowing for wider angles of view to be captured at the same focal length compared to the 5D Mark IV featuring a 1.74x crop factor.
 
Nearly every photographer can benefit from the 1D X II's higher resolution metering sensor, and AF point-linked Spot metering feature (very helpful) is only available on 1-series bodies. The ability to change focus screens is another benefit of the 1D X II that could prove important for some photographers.
 
Who should opt for the Canon EOS 5D Mark IV?
 
If you need more resolution than the EOS-1D X Mark II offers, require built-in Wi-Fi/NFC, prefer a smaller and lighter camera body and/or your budget simply does not extend to the level of a 1-series body, the EOS 5D Mark IV will likely prove to be a great choice.
 
Sharing many important primary features with the EOS-1D X Mark II (with reasonable compromises on others), the EOS 5D Mark IV is the second-most versatile camera Canon has ever produced (the 1D X II being the most versatile). Considering that the 5D Mark IV costs over 40% less than the 1D X II (USA MSRP), those compromises will seem very reasonable for a great number of pro, semi-pro, enthusiast and hobbyist photographers alike.
 
Related Information
 

• Canon EOS 1D X Mark II DSLR Camera Review
• Canon EOS 5D Mark IV DSLR Camera Review

If interested in purchasing a Canon Rebel-series camera, you may be wondering if the additional features of the Rebel T7i / 800D are worth the additional size and weight compared to the Rebel SL2 / 200D. If so, it's important to know how the two cameras stack up against one another.
 
Below are some of the primary similarities and differences between the Rebel T7i and Rebel SL2.
 
Canon EOS Rebel T7i and Rebel SL2 Shared Primary Features:
 

• 24.2 MP Dual Pixel CMOS AF sensor
• DIGIC 7 processor
• ISO 100 - 25600 (H1: 51200)
• 30 - 1/4000 sec shutter speed (1/2 or 1/3 stop increments)
• 1/200 sec (flash) x-sync
• Ambience priority, White priority Auto White Balance (AWB)
• Pentamirror viewfinder with 95% coverage
• Vari-angle touchscreen LCD, 7.7 cm (3.0") 3:2 Clear View II TFT, approx. 1040 K dots
• Up to 1920 x 1080 (59.954, 29.97, 25, 23.98 fps) video recording
• Video output (PAL/ NTSC) (integrated with USB terminal), HDMI micro out, external microphone (3.5mm Stereo mini jack)
• Built-in Wi-Fi, NFC & Bluetooth

Advantages of the EOS Rebel T7i over the EOS Rebel SL2:
 

• More advanced AF: 45 cross-type AF points (27 f/8 points [9 cross-type], center point f/2.8 and f/5.6 dual cross-type) vs. 9 AF points (f/5.6 cross type at center, extra sensitivity at f/2.8)
• Wider AF working range (better in low light): EV -3 - 18 vs. EV -0.5 -1
• Better metering: 7560-pixel RGB+IR metering sensor, metering with the area divided into 63 segments (9 × 7) vs. 63 zone dual-layer metering sensor
• More autoexposure bracketing (AEB) options: 2, 3, 5 or 7 Shots +/-3 EV vs. 3 shots +/- 2 EV
• Intelligent viewfinder vs. fixed
• Single axis electronic level vs. N/A
• More powerful pop-up flash: 13.1 GN vs. 9.8
• Pop-up flash can act as master vs. N/A
• Faster continuous shooting and larger buffer: 6 fps, 27 RAW vs. 5 fps, 6 RAW
• Longer battery life: 820 shots vs. 650

Advantages of the EOS Rebel SL2 over the EOS Rebel T7i
 

• Higher viewfinder magnification: 0.87x vs. 0.82x
• Smaller size/weight: 4.82 x 3.65 x 2.75" (122.4 x 92.6 x 69.8mm), 15.98 oz (453g) vs. 5.16 x 3.93 x 3.00" (131.0 x 99.9 x 76.2mm), 18.77 oz (532g)
• Lower cost

Who should opt for the Canon EOS Rebel T7i / 800D?
 
If minimal size/weight are not top priorities, and the Rebel T7i's higher price tag is not a barrier to investment, the T7i's higher-end features will make it a more versatile choice for most photographers. In fact, its more advanced, more sensitive in low light AF system alone is likely worth the T7i's price over the SL2.
 
Who should opt for the Canon EOS Rebel SL2 / 200D?
 
If you want the most lightweight, compact DSLR, or if your budget does not extend to the Rebel T7i's price tag, the Rebel SL2 will be a solid investment. The SL2 provides a solid feature set at a very reasonable price, and anyone carrying their camera kit for long periods of time (those hiking, for example) will surely appreciate the camera's smaller size and weight. Other groups who will gravitate to the SL2 include those with smaller hands and those intending to use the camera in a high-risk remote setup. Because of its small size and simple user interface, the SL2 may be the perfect DSLR to buy for a young photographer-in-training.
 
Summary
 
Built around an identical sensor and sharing many noteworthy features, the Rebel T7i and SL2 are more similar than they are different. Both deliver very good image quality, feature excellent subject tracking in video mode and offer an intuitive user interface that makes the cameras very easy to use, especially for those with minimal photography experience or otherwise transitioning from a compact camera or a smartphone.
 
Arguably the Rebel T7i's biggest drawback – its higher price tag – results from the inlcusion of noteworthy features not found in the SL2 (primarily, a much better AF system). For most photographers, the Rebel T7i will fulfill their needs better because of those additional features. But for those who don't need those features, are budget limited or who otherwise value reduced size and weight, the Rebel SL2 remains a viable option.
 
More Information
 

• Canon EOS Rebel T7i / 800D Review
• Canon EOS Rebel SL2 / 200D Review

See our full list of Camera Gear Comparisons to aid in other purchasing decisions.

The Canon EOS Rebel SL2 / 200D and Rebel T6 / 1300D represent the brand's budget level DSLR offerings, and while high level features are certainly compromised, thankfully, image quality – at least from an APS-C/crop sensor perspective – is not. To aid in your decision making between the two cameras, let's dive into their differences to see which may be the best fit for your needs.
 
Let's first take a look at the Rebel SL2's advantages in this comparison.
 
Advantages of the EOS Rebel SL2 over the EOS Rebel T6:
 

• More resolution: 24.2 MP vs. 18
• DIGIC 7 processor vs. DIGIC 4+
• Evaluative, partial, center-weighted & spot metering vs. evaluative, center-weighted & partial
• Larger ISO range: 100-25600, H:51200 vs. 100-6400, H: 12800
• Larger viewfinder magnification: 0.87x vs. 0.80x
• Vari-angle touchscreen 7.7 cm (3.0"), approx. 1040k dots vs. non-vari-angle, non-touchscreen 7.5cm (3.0") TFT, approx. 920k dots
• Slightly more powerful pop-up flash: 9.8 GN vs. 9.2
• Fine Detail Picture Style vs. N/A
• Continuous shooting (2-10 shots) after 10-second timer vs. N/A
• Faster burst rate: 5 fps vs. 3
• 1080p 60fps vs. 1080p 30fps
• Better Live View focus: Dual Pixel CMOS AF vs. contrast AF
• Timelapse movie recording vs. N/A
• Wi-Fi, NFC & Bluetooth vs. Wi-Fi & NFC
• 3.5mm microphone terminal vs. N/A
• Better battery life: approx. 650 shots vs. 500
• Smaller and lighter: 4.82 x 3.65 x 2.75" (122.4 x 92.6 x 69.8mm), 15.98 oz (453g) vs. 5.08 x 3.99 x 3.06" (129.0 x 101.3 x 77.6mm), 17.1 oz (485g)

And now let's look at the Rebel T6's advantages.
 
Advantages of the EOS Rebel T6 over the EOS Rebel SL2:
 

• Faster pop-up flash recycling time: approx 2 sec. vs. 3
• Lower cost

Another difference between the two cameras is that the Rebel SL2 records video in .MP4 format for normal recording (.MOV for timelapses) while the Rebel T6 records in .MOV format. Either format may be a Pro/Con depending on one's desired recording preference.
 
Who should opt for the Canon EOS Rebel SL2
 
With the Rebel SL2's numerous feature benefits over the Rebel T6, anyone whose budget extends to the SL2 and can shoot with the body comfortably (not necessarily everyone can), the choice is easy – get the Rebel SL2.
 
Who should opt for the Canon EOS Rebel T6
 
Considering the Rebel SL2's strong list of advantages over the T6, there are still groups of photographers who may be inclined to purchase Rebel T6 over the SL2, including:
 

• Those whose budget is a primary limiting factor.
• Those with larger hands who will prefer the T6's larger body.
• Those who will be using the camera in risky situations, such as remote setups or a gifting to a youth photographer-in-training.

Summary
 
Few camera comparisons are as clear-cut as this one. Almost any of the Rebel SL2's benefits listed above could easily justify its higher, but still-very-reasonable price tag over the Rebel T6, with the sum of those benefits providing an excellent overall value for consumers. However, while the Rebel T6's larger body may be appreciated by select photographers, its very low price tag will likely prove to be the ultimate deciding factor for the majority who add it to their kits, or more likely, begin their photography kits with.
 
More Information
 

• Canon EOS Rebel SL2 / 200D Review
• Canon EOS Rebel T6 / 1300D Review

See our full list of Camera Gear Comparisons to aid in other purchasing decisions.

If you are currently in the process of upgrading DSLRs, or otherwise looking to add a second camera to your kit, the Canon EOS 6D Mark II and EOS 80D could be prime candidates for consideration.
 
Many people may be surprised to know just how similar the full-frame 6D Mark II and APS-C sensor 80D really are. Here's a quick rundown of the features these cameras share:
 
EOS 6D Mark II and 80D Shared Primary Features
 

• Dual Pixel CMOS AF Sensor
• Compatible with EF, TS-E and MP-E lenses
• AF System: 45 cross-type AF points (27 f/8 points [9 cross-type], center point is f/2.8 and f/5.6 dual cross-type)
• AF Working Range: EV -3 - 18 (at 23 °C & ISO 100)
• Flicker detection and anti-flicker shutter timing
• Autofocus microadjustment
• Up to 1920 x 1080 60fps movie recording
• Movie Servo AF tracking speed and sensitivity adjustment
• Single SD, SDHC or SDXC (UHS-I) memory card slot
• Built-in Wi-Fi and NFC

Now let's take a look at some of the EOS 6D Mark II's advantages in this comparison.
 
Advantages of the EOS 6D Mark II over the EOS 80D:
 

• Full-frame sensor
• Higher resolution: 26.2 MP vs. 24.2
• DIGIC 7 processor vs. DIGIC 6
• Spot AF
• Less noise, especially at higher ISOs
• Dual-axis electronic level vs. single-axis
• 4K time-lapse video recording
• Built-in GPS and Bluetooth
• Better battery life: Approx. 1200 vs. 960

And below are the primary advantages the EOS 80D has over its full-frame counterpart.
 
Advantages of the EOS 80D over the 6D Mark II:
 

• Compatible with EF-S lenses
• Slightly higher dynamic range
• Slightly faster burst rate / larger buffer: Approx. 7fps, up to 25 images RAW vs. 6.5fps, up to 21 images RAW
• Pop-up flash featuring master functionality
• Faster max shutter speed: 1/8000 sec. vs. 1/4000
• Faster max flash sync speed (x-sync): 1/250 sec vs. 1/180
• Headphone terminal
• Slightly smaller size / weight: 5.47 x 4.14 x 3.09" (139.0 x 105.2 x 78.5mm), 25.75 oz (730g) vs. 5.67 x 4.35 x 2.94" (144.0 x 110.5 x 74.8mm), 26.98 oz (765g)
• Lower cost

Who should opt for the EOS 6D Mark II?
 
If shooting in low light and using relatively high ISOs, the EOS 6D II will give you noticeably cleaner (less noisy) images at the same ISO setting. The full frame sensor will also create a stronger background blur with the same subject framing and aperture in use.
 
For those interested in movie shooting, the 6D II offers the benefit of in-camera 4K time-lapse recording, although it does not feature a true Tv/Av mode during video recording like most higher-end models (instead, the camera defaults to P mode where both the shutter and aperture are adjusted to maintain exposure) and a headphone socket for audio monitoring is unavailable.
 
If built-in GPS and Bluetooth are high on your priority list, the 6D II has those features while the 80D does not.
 
Who should opt for the EOS 80D?
 
If you are upgrading from an APS-C (crop) sensor camera and currently have several APS-C lenses in your kit, the EOS 80D offers a seamless transition without the need to upgrade your EF-S lenses to full-frame compatible EF lenses, a transition that could prove significantly more costly than a simple camera body upgrade. And the benefits of EF-S lenses include [typically] lower cost and smaller size/weight compared to their full-frame counterparts.
 
Those shooting fast action may not notice an appreciable difference in the burst rate between the two cameras; however, the larger buffer of the 80D could prove to be a differentiating factor in some situations. The 80D's higher pixel density offering more reach to those requiring longer focal lengths will be especially welcomed by photographers covering long field sports.
 
The AF point spread of the 80D covers a higher percentage of the viewfinder for optimal framing using traditional phase detect AF, although the use of Live View AF can mitigate the difference between the two bodies.
 
If you are interested in shooting using off-camera lighting, the 80D's pop-up flash with master functionality means that you may not need a costly accessory to control your off-camera flashes, with the reduced size and weight of your sans-accessory camera being another benefit.
 
If in-camera 4K time-lapse video is not important to you (you can always create 4K time-lapses in post), the 80D features the same video recording capabilities as the 6D II yet also features a headphone terminal for audio monitoring. Unless filming in low light using high ISOs is necessary for a bulk of your filmmaking, the 80D should work just as well for most with video production aspirations.
 
Summary
 
These cameras are actually more similar than they are different, with the sensor size probably being the most significant differentiating factor between the two cameras. If you're eager to enjoy the image quality benefits provided by a full-frame sensor, the 80D's benefits over the 6D Mark II won't likely tip the scales in the smaller sensor camera's direction.
 
However, if your budget is limited and/or you enjoy the benefits of EF-S lenses, or you otherwise want a body which offers a more versatile sports or video capture platform, the 80D's benefits may make it the logical choice for adding to your kit.
 
More Information
 

• Canon EOS 6D Mark II Review
• Canon EOS 80D Review

See our full list of Camera Gear Comparisons to aid in other purchasing decisions.

If you want to reduce the size and weight of your camera, but do not want to give up great image quality, then the Canon EOS Rebel SL2 and EOS M5 will likely be considered prime candidates for incorporating into your camera kit.
 
First, let's look at some of the primary features these cameras have in common:
 

• 24.2 MP APS-C Dual Pixel CMOS sensor
• DIGIC 7 processor
• Pop-up flash (no master functionality)
• Native ISO range: 100-25600
• Images/movies stored to SDHC/SDXC (UHS-I) memory card
• 1/4000 max shutter speed
• 1/200 flash sync speed
• Wi-Fi, Bluetooth and NFC
• USB 2.0, HDMI (micro) & 3.5mm stereo mini jack

Advantages of the EOS Rebel SL2:
 

• Natively compatible with EF, EF-S, TS-E & MP-E lenses
• Ambience / White Priority AWB vs. Ambience only
• Vari-angle touchscreen LCD vs. Tilt-type touchscreen LCD
• Higher built-in flash guide number: 9.8m vs. 5m
• Wider exposure compensation range: +/- 5 stops vs. +/- 3 stops
• Selectable IPB standard / IPB light encoding vs. single in-camera default
• Longer battery life: 650 vs. 395 (420 with Eco Mode On)
• Working humidity: 90% vs. 85%
• Lower price

Advantages of the EOS M5:
 

• Native EF-M lenses are smaller/lighter than similar EF-S/EF lenses
• More AF Points: 49 vs. 9
• 1/3-stop ISO adjustments vs. full stops
• 100% viewfinder coverage vs. 95%
• Larger LCD screen: 3.2" vs. 3.0"
• Higher burst rate/larger buffer: max 9 fps, up to 17 RAW vs. 5 fps, up to 6 RAW
• Slightly smaller/lighter: 4.6 x 3.5 x 2.4" (115.6 x 89.2 x 60.6mm), 15.1 oz. (427g) vs. 4.82 x 3.65 x 2.75" (122.4 x 92.6 x 69.8mm), 15.98 oz (453g)
• Wider operating range: 14-104°F / -10-40°C vs. 32-104°F / 0-40°C

Who should opt for the EOS Rebel SL2?
 
If you want a compact camera with a traditional optical viewfinder, there's only one choice in this comparison – get the Rebel SL2. Note, of course, that I didn't list the optical viewfinder (OVF) or the electronic viewfinder (EVF) as an advantage for the respective cameras above; both have advantages and disadvantages compared to the other, so your needs and shooting preferences will ultimately determine which type of viewfinder is right for you.
 
While those photographing fast action may appreciate some of the M5 advantages over the SL2, the SL2's OVF implementation is better-suited for tracking action while capturing a burst of images.
 
If you want to create videos with your new camera, both feature Movie Servo AF via Canon's Dual Pixel CMOS AF sensor technology, but only the SL2 offers selectable IBP standard and IBP light encoding as well as a vari-angle LCD screen.
 
Those creating HDRs through manual exposure bracketing will appreciate the SL2's wider exposure compensation range (although the auto exposure bracketing (AEB) spec is the same for both cameras – 3 shots up to +/- 2 stops).
 
For those who tend to occasionally forget to pack important items in their gear bag, an advantage of the SL2 is its native compatibility with all of Canon's EF, EF-S, TS-E and MP-E lenses (no adapter required). Those needing to control larger lenses on their camera and those actively using the camera for substantial time periods will appreciate the SL2's more substantial grip.
 
The Rebel SL2 has one particular advantage that nearly every photographer can appreciate – a significantly lower price compared to the M5.
 
Who should opt for the EOS M5?
 
Traveling? The M5 might be the better option for you. Two primary advantages of a mirrorless system are reduced size and weight. While the size and weight differences between these two models are likely not as significant as you might expect, the EOS M5 delivers on both counts. It is the lightest and most compact in this comparison.
 
EF-M lenses are generally smaller and lighter than their DSLR-compatible counterparts, and the size and weight savings becomes more significant as your kit grows. However, the relatively small number of EF-M lenses (especially those with wide apertures) may prove limiting for some types of photography and if more flexibility is required, the EOS M5 is compatible with all EF, EF-S, TS-E and MP-E lenses when paired with a Canon EF-M Lens Adapter.
 
Anyone valuing more AF points, a larger AF point spread, faster burst rate, larger buffer and wider operating range will be attracted to the EOS M5.
 
Summary
 
When it comes down to it, both of these cameras are smaller and lighter than traditional APS-C DSLR cameras, yet offer the same great image quality you've come to expect from such cameras. With an advanced AF system and the ability to use a wide range of lenses (with an adapter), the M5 will prove to be a compelling choice for many. However, adapting lenses made for DSLRs arguably negates much of the "reduced size and weight" advantage of owning a mirrorless camera and the SL2, with its more substantial grip, permits better, more comfortable control over the camera. Of course, if (or more likely, when) Canon fills out its EF-M lineup offering lenses similar to its EF/EF-S offerings, the size and weight advantages of its mirrorless range will likely be much more significant.
 
For those that prefer a traditional optical viewfinder, desire a vari-angle LCD or simply want a more compact (and affordable) DSLR, the Rebel SL2 checks all those boxes with a native-mount lens lineup that is sure to meet your needs without the need for an adapter.
 
More Information:
 

• Canon EOS Rebel SL2 Review
• Canon EOS M5 Review

See our full list of Camera Gear Comparisons.

When an updated camera model is introduced, it's fair to wonder if your needs will be best served by the new model or whether the older model will serve your intended purposes sufficiently with cost savings being the primary benefit.
 
With the Canon EOS 6D Mark II's announcement, I'm sure many people are considering either a camera upgrade or the addition of a second camera to their kit. And since the original 6D is still available (at least for now), it makes sense to look closely at these two cameras to see if the 6D II's updated features are worth its higher price for your specific needs.
 
As the 6D doesn't really have any signifcant advantages over the 6D Mark II aside from a lower price, so we'll simply take a look at the upgraded features of the 6D II to put the current cost differential into context.
 
Advantages of the EOS 6D Mark II over the 6D:
 

• 26.2 MP CMOS sensor with Dual Pixel CMOS AF vs. 20.2 MP (no DPAF)
• 45-point AF system (all cross-type) vs. 11 points (f/5.6 cross type at center, extra sensitivity at f/2.8)
• Up to 21 active AF points with f/8 max aperture vs. no active AF points at f/8
• 7560-pixel RGB+IR metering sensor affecting 63 segments vs. 63 zone Dual Layer SPC
• 6.5 fps. (up to 21 images in RAW) vs. 4.5fps. (up to 17 images in RAW)
• DIGIC 7 vs. DIGIC 5+
• Customizable, Intelligent Viewfinder with transparent LCD overlay vs. standard viewfinder
• AWB (Ambience priority/White priority) vs. AWB (Ambience priority only)
• Vari-angle touchscreen LCD (1.04 million dots) vs. fixed
• Flicker Light Detection and Shutter Timing vs. none
• Full HD 1080p 60 fps movies with 5 axis electronic image stabilization vs. 1080p 30 fps (no electronic stabilization)
• WiFi, NFC, Bluetooth & GPS vs. WiFi and GPS
• Intervalometer with 4K Timelapse Movie Mode featuring 3840px UHD resolution vs. no intervalometer or in-camera timelapse

Who should opt for the EOS 6D Mark II?
 
If you are a wildlife photographer, the 6D II's significantly better AF system and the ability to utilize lens + extender combinations with an f/8 maximum aperture ultimately make it a much better choice compared to the 6D and its 11-point AF system. Those needing to capture wildlife at the peak of action will also benefit from the 6D II's faster burst rate. If sports photography is on your to-do list, then these same features along with Light Flicker Detection and Shutter Timing will be prove quite advantageous to you as well.
 
Event photographers will especially appreciate the 6D II's upgraded AF system and [almost certain] great image quality at higher ISOs, as both will be very beneficial for documentary style photography in light-starved venues.
 
Do you plan on photographing your child/children as they play? The 6D II's advanced AF system will ensure you get more in-focus shots compared to its predecessor.
 
Filmmakers will especially appreciate the 6D II's Dual Pixel CMOS AF sensor with its ability to track action in movie mode. Other features that filmmakers will enjoy include the vari-angle LCD (with touch-focus), the ability to capture video at 60 fps and in-camera 4K timelapses (though many may still prefer to compile their timelapses in post-processing). Even if not utilizing the in-camera timelapse movie feature, the built-in intervalometer negates the need for an additional accessory to capture timelapses.
 
Even if you're not a serious filmmaker, the 6D II's Movie Servo AF can help you to capture high quality home movies that your family will enjoy for years to come.
 
The customizable Intelligent Viewfinder is a convenient feature that nearly every photographer can appreciate, with the ability to display a single axis level indicator, gridlines or other relevant information. For those who enjoy sharing their images quickly and easily, the 6D II's NFC & low-energy Bluetooth connections may also prove to be a differentiating factor.
 
Who should opt for the EOS 6D?
 
If you don't believe the sum of the value of the benefits listed above justify the incrementally higher cost of the 6D Mark II, then the original 6D may be the perfect camera to add to your kit (or otherwise build your kit around). It features excellent full frame image quality and is great for landscapes, cityscapes, architecture/real estate, vacations, family gatherings, studio portraiture and macros.
 
Summary
 
The Canon EOS 6D Mark II included a lot of feature updates that 6D owners had been asking for, including (but not limited to) a more advanced AF system and a Dual Pixel CMOS AF sensor. The 6D II is intended to be the full frame camera for the budget-conscious consumer, just as the 6D was at its introduction. However, this time around, that same consumer group will be getting a much more versatile camera for their very reasonable investment.
 
If your budget doesn't extend to the 6D II's introductory price, the 6D is the lowest-priced full frame Canon DSLR on the market right now, and it's well worth the price. However, for a little more, the 6D II is an even better value considering its overall feature set.
 
Check out our Camera Specifications Tool to fully compare these cameras:
 

• Canon EOS 6D Mark II compared to the Canon EOS 6D

If you are considering the purchase of a Canon EOS 6D Mark II, you may also be considering the EOS 5D Mark III as they are similarly priced with an also-attractive, mid level feature set within the confines of today's camera market.
 
Make no mistake, these bodies are similarly versatile and capable cameras, but depending on the intended use and/or photographic challenges being pursued, either one may be a better choice compared to the other. With that said, let's look at how these full frame contenders differ.
 
Advantages of the EOS 6D Mark II over the 5D Mark III:
 

• Dual Pixel AF sensor with Movie Servo AF vs. contrast-detect AF in Live View with no Movie Servo AF
• More resolution (26.2 vs. 22.3)
• DIGIC 7 vs. DIGIC 5+
• More sensitive AF (EV -3 – 18 vs. EV -2 – 18)
• More AF points active at f/8 (27 points vs. center AF point with 4 assist points)
• 7560-pixel RGB+IR 63 zone metering sensor vs. iFCL 63-zone Dual-layer sensor
• Faster max burst rate / larger RAW buffer (6.5 fps. (150 images in JPEG, 21 images in RAW) vs. 6 fps. (16,270 images in JPEG, 18 images in RAW))
• Vari-angle LCD vs. fixed
• Flicker detection and corrective shutter release timing
• Ambience priority/white priority AWB vs. ambience priority only
• In-camera 4K UHD time-lapses vs. none
• GPS, Wi-Fi, Bluetooth & NFC vs. none
• Longer battery life (Approx. 1200 (at 23°C, AE 50%, FE 50%) vs. 950)
• Smaller & lighter (5.67 x 4.35 x 2.94" (144.0 x 110.5 x 74.8mm), 26.98 oz (765g) vs. 6.0 x 4.6 x 3.0" (152 x 116.4 x 76.4mm), 33.5 oz (950g))

Advantages of the EOS 5D Mark III over the 6D Mark II:
 

• More AF points / more dual cross type points at f/2.8 (61 Point / 41 f/4 cross-type AF points including 5 dual cross type at f/2.8 vs. 45 cross-type AF points including center point dual cross type at f/2.8)
• Joystick multi-controller vs. none
• Larger viewfinder coverage (100% vs. 98%)
• Faster max shutter speed (1/8000 sec vs. 1/4000 sec)
• Dual memory card slots (CF + SDXC/SDHC vs. SDXC/SDHC only)
• HDMI mini, headphone & microphone mini jacks vs. microphone mini jack only

As is evident above, the 6D Mark II has more advantage bullet points compared to the 5D Mark III. However, the importance of some of the 5D III bullet points could easily sway one's decision in favor of the older, economical 5-series body.
 
Who should opt for the EOS 6D Mark II?
 
First of all, anyone wanting to quickly create high quality videos with their DSLR will likely prefer the 6D's Movie Servo AF – thanks to its Dual Pixel CMOS AF sensor – as well as its vari-angle LCD. Another nice feature that DSLR filmmakers are likely to appreciate is the 6D II's ability to create 4K UHD time-lapses in-camera, though many filmmakers will prefer to compile their time-lapses in post-processing for more control over the final video (essentially making this feature a less compelling advantage compared to the 5D III).
 
From a video perspective, one drawback could be the 6D II's .MP4 recording format if someone instead preferred using the .MOV format featured in the 5D III. Another drawback is the 6D II's lack of a headphone jack.
 
Even though it features fewer overall points, those shooting wildlife will likely prefer the 6D II's slightly faster burst rate and AF system capable of up-to 27 active phase-detect AF points when using lens+extender combinations resulting in an f/8 effective maximum aperture. And on top of that, Live View with subject tracking can be utilized with lens+extender combinations through f/11.
 
In comparison, only the center AF point (with 4 assist points) is enabled on the 5D III with f/8 maximum apertures and subject tracking is unavailable in Live View. For wildlife photographers who never plan on using lens+extender combinations, the 5D III may be the better choice thanks to its 61 point AF system. But considering how often wildlife photographers utilize extenders, they will likely accept the 6D II's 45 point AF system to gain significantly more AF functionality at f/8.
 
Those carrying their cameras long distances and/or for long periods of time will of course appreciate the 6D II's smaller design and lighter weight, including (but not limited to) those who are hiking to remote locations or traveling on domestic/international flights.
 
All photographers will appreciate 6D II's higher resolution and longer battery life, and many will enjoy using its GPS, Wi-Fi, Bluetooth and NFC features which are all absent on the 5D III. Any photographers photographing under stadium lights will be thankful for the 6D II's Flicker Detection and corrective shutter timing for avoiding color balancing problems.
 
Who should opt for the EOS 5D Mark III?
 
Even though the 5D III seems to have few benefits over the 6D II, the value of some of those benefits can be huge. For instance, anyone photographing once-in-a-lifetime events such as weddings should likely choose the 5D Mark III for its dual memory card feature alone. While card corruption is relatively rare, dual memory card slots provide a vital layer of protection to keep your (or your client's) images safe. Having images backed up in-camera can help you avoid tarnishing your reputation due to a faulty memory card.
 
Many photographers will appreciate the 5D III's viewfinder with 100% coverage and faster maximum shutter speed.
 
If you already own a 7D Mark II, you will likely appreciate the very similar controls featured in the 5D III, including (but not limited to) the multi-controller joystick. If keeping the 7D II as a secondary camera, you should be able to switch between bodies without missing a beat.
 
Summary
 
Released in 2012, the 5D Mark III still remains relevant in today's camera landscape, although its target market has surely shifted from those needing cutting-edge technology (without stepping up to a 1-series camera) to an enthusiast group wanting full-frame image quality and a more-than-reasonable feature set at an attractive price. And, coincidentally enough, that's a good description of the 6D Mark II as well, although its overall feature set is certainly more contemporary.
 
As illustrated above, each of these cameras will serve specific photographers' needs better than the other. If you or your business can't afford the ill-effects of a memory card failure, or if the 5D III's controls make it a better fit for your photography, the 6D II's advantages will mean little when adding the 5D III to your shopping cart.
 
However, with its higher resolution, Dual Pixal CMOS AF sensor, more than sufficient AF system, GPS/wireless features and smaller design/lighter weight, the 6D II will likely be the preferred choice for a large number of photographers.
 
More Information
 

• Canon EOS 6D Mark II Review
• Canon EOS 5D Mark III Review

With the introduction of the Canon EOS 6D Mark II, you may be wondering whether it's an adequate camera for your needs or if the higher end EOS 5D Mark IV is a better fit. Compared to the original 6D, the 6D II goes a long way in closing the feature gap with its 5-series full frame brethren.
 
Before we analyze the differences between the two bodies, let's first take a look at some of the primary features they have in common:
 

• Full frame 1.0x 35mm field of view with EF lenses
• Likely excellent high-ISO image quality
• AF working range: EV -3 - 18
• Autofocus Microadjustment
• AEB: 2, 3, 5 or 7 Shots +/-3 EV 1/3 or 1/2 stop increments
• Viewfinder: Pentaprism, approx. 0.71x magnification
• Exposure compensation: +/- 5EV in 1/2 or 1/3 increments
• Auto exposure bracketing (AEB): +/- 3EV in 1/2 or 1/3 increments
• Top LCD Panel: Yes
• Wi-Fi, NFC & GPS: Built-in
• Intervalometer
• Light flicker detection and shutter timing
• Water and dust resistant construction

Now let's take a look at how these DSLR bodies differ.
 
6D Mark II Advantages over the 5D Mark IV:
 

• DIGIC 7 processor vs. DIGIC 6+
• Vari-angle LCD (3" 1.04m-Dot vari-angle touchscreen LCD vs. Fixed touch screen 3.2" approx. 1.62m dots)
• Bluetooth vs. none
• 4K time-lapse movies vs. 1080p only time-lapse movies
• Smaller, lighter (5.67 x 4.35 x 2.94" (144.0 x 110.5 x 74.8mm), 26.98 oz (765g) vs. 5.93 x 4.58 x 2.99" (150.7 x 116.4 x 75.9mm), 31.4 oz (890g))
• Lower price

5D IV Advantages over the 6D Mark II
 

• Higher resolution (30.4 MP vs. 26.2)
• Better metering (Approx. 150,000-pixel RGB+IR metering sensor, 252-zone metering. EOS Intelligent Subject Analysis system vs. 7560-pixel RGB+IR metering sensor with the area divided into 63 segments)
• More AF points and wider point coverage
• Faster max shutter speed (1/8000 sec vs. 1/4000)
• Slightly higher burst rate (7fps vs. 6.5)
• Dual memory card slots (CF + SDHC/SDXC vs. SDHC/SDXC)
• 4K video recording
• Selectable .MOV or .MP4 video formats vs. .MP4 recording with .MOV available only in time-lapse movie mode
• Multi-controller joystick

Note: The advantages listed above should not be considered an exhaustive list, but instead represent some primary differences between the cameras.
 
Who should opt for the EOS 6D Mark II?
 
If you are stepping up from an entry level EOS Rebel/****D/***D/**D/7-series camera, the 6D Mark II will offer at least one big feature you didn't have in your previous camera – a full frame sensor. But depending on the model being displaced in your kit, the 6D Mark II may offer a wide variety of feature upgrades that make it an attractive primary camera for your needs, especially for the price.
 
If you already own a recent 1-series or 5-series DSLR, the 6D Mark II should prove to be a great backup camera that's more compact and easier on the budget compared to a new/retail duplicate of your existing camera.
 
And while we're on the subject of the camera's size and weight, anyone who is traveling to remote locations with the responsibility of carrying their camera kit on their backs for long distances and/or long periods of time will certainly appreciate the 6D II's smaller dimensions and lighter weight.
 
Who should opt for the 5D Mark IV?
 
While the 6D Mark II can easily produce professional-looking results from an image quality and AF perspective, its lack of dual memory card slots may make it a less ideal choice for those who are shooting once-in-a-lifetime imagery (think, weddings). And with a more advanced AF system (with more points and more coverage), you can expect the 5D IV to perform a little better in challenging AF conditions or when framing subjects closer to the edges of the viewfinder.
 
If you are primarily interested in video filming with your DSLR, the 5D IV offers more video features – including 4K recording – that will make it a much better option compared to the 6D Mark II.
 
Summary
 
The 6D Mark II represents a huge step up from its predecessor, and its upgraded features along with a budget-friendly price make the 6D II an incredible value in Canon's DSLR lineup. For those that don't require the extra features found in the 5D IV, the 6D II should prove proficient at tackling most photographic challenges with ease.
 
But for those who need an edge in AF performance, dual memory card slots and 4K recording, the 5D Mark IV is your camera.
 
More Information
 

• Canon EOS 6D Mark II Review
• Canon 5D Mark IV Review

The release of the Sony a9 introduced yet another intriguing option in the pro sports photography market. As such, you may be curious as to how Sony's first sports-oriented mirrorless full frame camera stacks up against Canon's top-of-the-line full frame DSLR, the EOS-1D X Mark II.
 
Let's first take a look at some of the high level features where the two cameras differ to see how they contrast with one another:
 

	Canon EOS-1D X II	Sony a9
Resolution	20.2 MP	24.2 MP
Image Processor(s)	Dual DIGIC 6+	BIONZ X
AF Type	TTL secondary image-forming phase-difference detection system with AF-dedicated CMOS sensor	Fast Hybrid AF(phase-detection AF/contrast-detection AF)
AF Points	61 points (Cross-type AF points: Max. 41 points)	693 points (phase-detection AF)
AF Working Range	EV -3 – 18	EV -3 – 20
Metering	Approx. 360,000-pixel RGB+IR metering sensor, 216-zone metering	1200-zone evaluative metering
Metering Range	EV 0 – 20	EV -3 – 20
Shutter Speed	30 - 1/8000	Mechanical Shutter: 30 - 1/8000, Electronic Shutter: 30 - 1/32000
LCD	3.2" (8.11cm) Clear View LCD II, approx. 1620K dots	Tilt type 2.95" (3.0-type) TFT drive, approx. 1440K dots
Continuous Shooting (Max Frame Rate)	14fps. with full AF / AE tracking	AUTO/Electronic Shutter: High max. 20 fps; Mechanical Shutter: High Max. 5 fps
Wireless	n/a	Wi-Fi, NFC & Bluetooth
GPS	Built-in	Can be synchronized with connected mobile devices
Memory Card Slots	CF Card (Type I; compatible with UDMA 7 CF cards) & CFast Card (CFast 2.0 supported)	Memory Stick PRO HG-Duo/Memory Stick PRO Duo (High Speed) & SD/SDHC/SDXC
Battery Life	Approx. 1210 (at 23°C, AE 50%, FE 50%) 1020 (at 0°C, AE 50%, FE 50%)	Approx. Approx. 480 shots (Viewfinder) / approx. 650 shots (LCD monitor)
Size	6.22 x 6.6 x 3.25" (158.0 x 167.6 x 82.6mm)	5.0 x 3.8 x 2.5" (126.9 x 95.6 x 63.0mm)
Weight	53.97 oz (1530g)	23.7 oz (673g)

By specifications alone, the Sony a9 seems to one-up the Canon 1D X II in almost every major spec category (differences in memory card formats aside). However, the specifications only tell a part of the story; other factors must be considered before deciding between these two cameras.
 
Size, Weight and Battery Life
 
As indicated by the table above, the Sony a9 is smaller and lighter than the Canon 1D X II. And as also evidenced by the table above, a downside to the smaller body is the inability to house a large battery. In other words, you can likely shoot more than twice as many images with the [significantly larger] 1D X II before the battery is exhausted. Adding a battery grip to the a9 doubles battery capacity and adds the extremely useful vertical control buttons, but inevitably reduces the size and weight advantages of the camera.
 
Native Lens Lineup
 
Consider that the EOS-1D X II is Canon's 11th 1-series digital SLR, the long-standing camera maker has had plenty of time to fill out its product line with a wide variety of lenses ideal for sports photography. Aside from the general purposes lenses sometimes used for sports photography, Canon telephoto (and telephoto zoom) lenses often used for sports photography include:
 

• Canon EF 70-300mm f/4-5.6L IS USM
• Canon EF 100-400mm f/4.5-5.6L IS II USM
• Canon EF 200-400mm f/4L IS USM Ext 1.4x
• Canon EF 300mm f/2.8L IS II USM
• Canon EF 300mm f/4L IS USM
• Canon EF 400mm f/2.8L IS II USM
• Canon EF 400mm f/4 DO IS II USM
• Canon EF 400mm f/5.6L USM
• Canon EF 500mm f/4L IS II USM
• Canon EF 600mm f/4L IS II USM
• Canon EF 800mm f/5.6L IS USM

Compare the lens selection above to the Sony E-mount lenses available now with a focal length of 300mm or greater:
 

• Sony FE 70-300mm f/4.5-5.6 G OSS
• Sony FE 100-400mm f/4.5-5.6 GM OSS

Sony likely has several long telephoto lenses currently in development. However, it's very difficult [i.e., impossible] to take great sports images with lenses that are simply unavailable. For the meantime, Canon likely has a lens to cover your sports needs, no matter what sport you're photographing.
 
Of course, you can use non-native lenses with the Sony a9 when adapters are thrown into the mix. However, expect the AF performance of adapted lenses to be negatively impacted.
 
Viewfinders
 
Viewfinder implementations differ significantly between the Canon 1D X II and the Sony a9, where the Canon body offers a traditional optical viewfinder (with customizable overlays) and the Sony body features an electronic viewfinder. Each type of viewfinder has benefits and drawbacks compared to the other (such as an EVF's elimination of viewfinder blackout times), and Bryan shared his thoughts on the advantages/disadvantages of electronic/optical viewfinders in his article, "Comparing Electronic Viewfinders to Optical Viewfinders" . Be sure to check out the preceeding information to determine which of these systems you may prefer.
 
Durability & Reliability
 
With Canon's tendency to be relatively conservative regarding its 1-series updates, it's safe to say that you can expect their top-of-the-line series to perform reliably in the field, with robust weather sealing keeping the camera operational in adverse conditions.
 
Indeed, the a9 isn't Sony's first foray into the full frame digital camera market. However, it is the first camera Sony has designed specifically for sports photography and the rigors that pursuit entails. The Sony a9 may prove to be as reliable as the 1D X II, but... the first iteration of a company's product line is rarely as refined a competitor's benefitting from many more years of experience in design and manufacture.
 
While we didn't stress test the camera, the Sony a9 with its magnesium alloy frame and weather sealing is designed for the rigors that professionals encounter. Three hours of clay dust created at a dirt track sprint car race turned the camera red, but this issue was completely mitigated by an air blower.
 
Autofocus Performance
 
Based on our tests, the Sony a9 focuses in extremely low light, similar to the 1D X II. Focus accuracy in One Shot mode/ AF-S single focus lock is also very similar between the cameras, although the 1D X II is noticeably faster in One Shot AF mode as the a9 defocuses before focusing again even when the subject has not moved. With subjects moving at a constant rate of speed, the a9 does an excellent job of tracking subjects. However, from our experience, the 1D X II tends to track erratic subjects better and maintains subject tracking as those subjects get closer to the camera.
 
Of course, it's impossible to perform a complete, exhaustive, apples-to-apples comparison between the two cameras' AF systems because conditions are never precisely repeatable. It's possible that either camera’s AF performance could be situationally improved by adjusting the focusing parameters from the default settings.
 
Customer Support
 
Canon is widely recognized as having an excellent support system, including (not not limited to) Canon Professional Services, the division which specifically caters to those who make a living with their imaging gear. The support we have received from Canon USA and Canon Professional Services has over the years has been very good. Canon USA's Customer Service Technicians have been eager to help and knowledgeable when we have needed phone support, and our experience with Canon's repair department (in the few times we've needed a repair) has been equally satisfying.
 
On the other hand, Sony is still in the building process when it comes to customer support for their E-mount camera system. As such, they don't necessarily have a reputation for exemplary customer service [yet]. And that reputation (or lack thereof) is seemingly appropriate, at least considering our own [minimal] experience with Sony Support.
 
Price
 
At the time of this comparison, the Sony a9's MSRP is 25% lower than the Canon EOS 1D X Mark II's MSRP, and that translates to a not-so-insignificant savings. If you're ready for the Sony a9 ecosystem, that savings will certainly be appreciated. For a more versatile, similar-to-a-1D-X-II setup, you may wish to use some of the savings to pick up the Sony VG-C3EM Vertical Grip and an extra battery for increased shooting time and better handling with larger lenses.
 
Unfortunately, your savings experienced by purchasing a Sony a9 may be negated as your lens kit grows, as comparable Sony lenses tend to be more expensive than their Canon counterparts. Check out the Sony a9 vs. Canon EOS 1D X II vs. Nikon D5 price comparison table near the end of the a9 review.
 
Wrap-Up
 
So which pro sports camera body is best for your needs? Well, if you're planning on making a living shooting sports imagery in the very near future, or you've already invested heavily in a Canon system, the EOS-1D X Mark II would likely be the best choice.
 
However, if you're a semi pro or enthusiast sports shooter, and you haven't already invested heavily in a particular camera system, the Sony a9 shows obvious potential and is definitely worth considering if its current lens lineup is appropriate for your needs.
 
Suggested Retailers
 
Canon EOS-1D X Mark II – B&H | Amazon | Adorama | Wex Photographic
Sony a9 – B&H | Amazon | Adorama | Wex Photographic