Canon EOS R3 Compared to the Canon EOS-1D X Mark III

SpecificationsCanon EOS R3Canon EOS-1D X Mark III
  Canon EOS R3 Canon EOS-1D X Mark III
Year Introduced20212020
Megapixels24.120.2
Total Pixels26.721.5
Sensor Size36.0 x 24.0mm36.0 x 24.0mm
Pixel Dimensions6000 x 40005472 x 3648
Pixel Size6.00µm6.58µm
Diffraction-Limited Aperturef/9.7f/10.6
Sensor Readout Speed (ms)
Sensor StabilizationYN
Lens MountRF, RF-S (EF, EF-S, and TS-E lenses when using Mount Adapter EF-EOS R)EF (excludes EF-S lenses), TS-E, MP-E
FOVCF1.0x1.0x
Image ProcessorDIGIC XDIGIC X
 
Autofocus  
TypePhase-difference detection system with image sensor (Dual Pixel CMOS AF)TTL secondary image-forming phase-difference detection system with High-res AF Sensor
Points1,053 AF Areas covering approx. 100% of the frame, 4,779 individually selectable AF points with 90% horizontal and 100% vertical coverageMax. 191 points (Cross-type AF points: Max. 155 points)
Working RangeEV -7.5 to 20 (f/1.2 , at 73°F/23°C, ISO 100, One-Shot AF, Center AF Point)EV -4 – 21
Point SelectionAutomatic Selection: Spot AF (Flexible Zone AF 1), 1-point AF (Flexible Zone AF 2), Expand AF Area (Flexible Zone AF 3) (above, below, left and right/around), and Expand AF Area (entire AF area)Manually-selected AF Areas
• Spot AF
• Single-point AF
• AF point Expansion (4-point surround)
• AF point Expansion (8-point surround)
• Zone AF
• Large Zone AF (all AF points divided into three large zones)
Automatic AF point selection (all AF points available; reference brackets around AF array)
Microadjustment
Touch & Drag AFN
Eye Detection AFYY
Focus Bracketing/StackingY
 
Exposure Control  
Metering ModesReal-time with image sensor, 384-zone (24x16)
(1) Evaluative metering (AF point-linked)
(2) Partial metering (approx. 5.9% of the area at the center of the screen)
(3) Spot metering (approx. 2.9% of the area at the center of the screen)
(4) Center-weighted average metering
Optical Viewfinder: 216-zone (18 x 12) metering with approx. 400,000-pixel RGB+IR metering sensor.
Live View: 384-zone (24 x 16) metering using image sensor output signals
The following metering modes selectable:
(1) Evaluative metering (linked to all AF points)
(2) Partial metering (Viewfinder: Approx. 6.2% of the screen) (Live View: Approx. 5.8% of the screen)
(3) Spot metering (center, approx. 1.5% of viewfinder) (Live View: Approx. 2.9% of the screen)
1. Center spot metering
2. AF point-linked spot metering (Custom Function)
• Linkable to all AF points.
• With automatic AF point selection, center spot metering will apply.
3. Multi-spot metering (Optical Viewfinder only)
(4) Center-weighted average metering
• The selectable metering modes can be restricted (Custom Function).
Metering RangeEV -3 – 20 (at 73°F/23°C, ISO 100)At 73°F/23°C, ISO 100, with evaluative metering:
EV 0–20 (Optical Viewfinder)
EV -3–20 (Live View & Movie Recording)
Exposure Comp+/-3 stops in 1/3- or 1/2-stop increments±5 stops in 1/3- or 1/2-stop increments
AEB2, 3, 5 or 7 shots in +/-3 stops in 1/3- or 1/2-stop increments±3 stops in 1/3- or 1/2-stop increments
Light Flicker ModeYY
IntervalometerY
ISO SensitivityAuto 100-102400 (in 1/3-stop or whole stop increments)
ISO can be expanded to L:50, H1: 204800
Manual Setting: ISO 100–102400 (in 1/3-stop increments), L: 50, H1: 204800, H2: 409600, H3: 819200
Highlight Tone Priority: ISO range 200–102400.
Expanded ISO cannot be set during HDR shooting.
Auto ISO Setting: Shooting Mode - P, Tv, Av, M: No Flash, ISO 100 - 102400; With Flash, ISO 100-6400; During Bulb shooting, ISO 400 (fixed)
Shutter Speed Mechanical: 30-1/8000 sec (1/2 or 1/3 stop increments), Bulb, Electronic: 30-1/64000 (1/2 or 1/3 stop increments up to 1/16000 then 1 stop until 1/64000) (Total shutter speed range. Available range varies by shooting mode)When [Mechanical] or [Elec. 1st-curtain] is set: 1/8000 to 30 sec., bulb
When [Electronic] is set: 1/8000-0.5 sec.
 
Viewfinder  
Type0.5" (12.7mm) OLED color EVF, 5.76 Million dotsEye-level SLR type, with pentaprism
CoverageApprox. 100%Approx. 100%
MagnificationApprox. 0.76xApprox. 0.76x
EyepointApprox. 23mmApprox. 20mm
InformationAF point information, Eye Control pointer, Exposure level indicator, Shooting mode, ISO speed, Shutter speed, Aperture, Number of remaining multiple exposures, Exposure compensation, HDR shooting, Highlight tone priority, Multiple-exposure shooting, Multi Shot Noise Reduction, Number of self-timer shooting, Digital Lens Optimizer, Maximum burst, AF method, Battery level, AF operation, Exposure simulation, Drive mode, AEB, Metering mode, FEB, Anti-flicker shooting, Still photo cropping, Aspect ratio, Auto Lighting Optimizer, AE lock, Picture Style, Flash-ready, White balance, Flash off, White balance correction, FE lock, Image Quality, High-speed sync, Bluetooth function, Wi-Fi function, Multi-function lock warning, Histogram, Electronic level, Lens information, focus distance scale, vertical exposure scale, GridAF displays, with red dot-matrix illumination:
191 AF points; active AF Area; Zone AF brackets; Automatic AF point select brackets
Exposure Displays:
Manual mode icon; AE Lock icon; Flash ready icon; FEL icon; Shutter speed; Aperture; Exposure compensation scale; Frames remaining on card; ISO; Highlight Tone Priority (D+) active; AF confirmation icon; AI Servo AF active arrows
Right side display:
+/- 3-stop metering scale; Flash Exposure Compensation/FEL/Flash Metered Manual scale; Frames remaining in burst (0~99); JPEG/RAW icons; Battery level icon
Displayed on focus screen, via LCD overlay:
Spot metering circle; Electronic level display; Grid lines; Shooting mode; Metering mode; White Balance setting; Drive mode; AF Operation; Flicker Detection icon; Warning symbol; AF status indicator
All except Spot meter circle can be displayed or not with [Show/Hide in viewfinder]
DOF PreviewYes, via customixed buttonYes, with Depth of Field preview button.
 
LCD  
TypeVari-angle touch screen 3.15" (8.01cm) Clear View LCD II, approx. 4.15 million dotsTFT color 3.2-inches (3:2 aspect ratio) liquid-crystal monitor, approx. 2.1 million dots, fully touch enabled
CoatingAnti-smudgeAnti-reflection and Solid Structure
Brightness AdjManual: Adjustable to one of seven levels
Colour Tone Adjustment: 4 settings
Adjustable to one of seven levels
Display Options(1) Basic Camera settings
(2) Advance Camera settings
(3) Camera settings plus histogram and dual level display
(4) No info
(5) Quick Control Screen
(6) Display off
• No information display
• Basic information display
• Available display items (1-10)
• Detailed shooting information display
• 4-image index
• 9-image index
• 36-image index
• 100-image index
 
Flash  
Built-in GNN/A (ISO 100, meters)N/A (ISO 100, meters)
Built-in CoverageN/AN/A
Built-in Recycle TimeN/AN/A
ModesE-TTL II Auto Flash, Metered ManualE-TTL II Auto Flash, Metered Manual
X-Sync1/200 sec mechanical, 1/250 sec electronic 1st curtain, 1/180 sec Electronic1/250sec
Exposure Compensation±3 stops in 1/3- or 1/2-stop increments±3 stops in 1/3- or 1/2-stop increments
Hot Shoe/PC TerminalYes / YesYes / Yes
External Flash CompE-TTL II with EX and EL series Speedlites, wireless multi-flash supportE-TTL II with EX series Speedlites, wireless multi-flash support
 
Shooting  
Shooting ModesStills; Flexible priority AE, Program AE, Shutter priority AE, Aperture priority AE, Manual, Bulb and Custom (x3)
Movie: Program AE, Shutter priority AE, Aperture priority AE, Manual, and Custom (x3)
Program AE , Shutter priority AE, Aperture priority AE, Manual (Stills and Movie), Bulb, Custom (x3)
Picture StylesAuto, Standard, Portrait, Landscape, Fine Detail, Neutral, Faithful, Monochrome, User Defined (x3)Auto, Standard, Portrait, Landscape, Fine Detail, Neutral, Faithful, Monochrome, User Defined 1–3*
Image ProcessingResize to M, S1, S2
Cropping: JPEG images can be cropped (Aspect ratios 3:2, 4:3, 16:9, 1:1)
Cropping of images
- Switch between vertical and horizontal cropping orientation
- Image straightening
- Cropping frame can be moved using touch screen operation
RAW image processing
Multiple exposure
HDR
HEIF to Jpeg conversion
Clarity (8 levels)
Highlight Tone Priority (2 settings)
Auto Lighting Optimizer (4 settings)
Long exposure noise reduction
High ISO speed noise reduction (4 settings)
Lens optical correction:
- Peripheral illumination correction (stills and video)
- Chromatic aberration correction (stills and video)
- Distortion correction (during or after still photo shooting)
- Diffraction correction (stills and video)
- Digital Lens Optimizer (during or after still photo shooting)
Resize to M1, M2 or S 3
RAW image processing - during image Playback only
Crop images/rotate (3:2, 16:9, 4:3, 1:1, 2:3, 9:16, 3:4 ratios)
Multiple exposure
Abberration CorrectionsLens optical correction:
- Peripheral illumination correction, Chromatic aberration correction, Distortion correction (during/after still photo shooting, during video only)
- Diffraction correction
Digital Lens Optimizer (during/after still photo shooting)
Drive ModesSingle, Continuous High+, Continuous High, Continuous Low, Self-timer (2s+remote, 10s+remote)Single, Continuous High, Continuous, Continuous Low, Silent single, Silent Continous High, Silent Continuous Low, Self timer (2s+remote, 10s+remote)
Continuous ShootingMax. Approx. 12 fps. with Mechanical shutter/1st curtain electronic speed maintained for 1000+ JPEG or 1000 RAW images or 30 FPS with electronic shutter speed maintained for 540 JPEG or 150 RAW images, 195 fpsViewfinder: Max. approx. 16 shots/sec., Live View Shooting: Max. approx. 20 shots/sec., max. burst of 1,000+
Shutter Lag20-76ms29-55ms
Viewfinder Blackout0msN/A
 
Live View  
FrameRate120 fps29.97 fps/Movies 59.94/29.97 fps (NTSC) 50.00/25.00 fps(PAL)
FocusingAutomatic Selection:Spot AF (Flexible Zone AF 1), 1-point AF (Flexible Zone AF 2), Expand AF Area (Flexible Zone AF 3) (above, below, left and right/around), and Expand AF Area (entire AF area)Dual Pixel CMOS AF
Manual focus
• Magnify the image by 5x or 10x and focus manually.
• MF peaking and Focus Guide possible
MeteringReal-time with image sensor, 384-zone (24x16)
(1) Evaluative metering (AF point-linked)
(2) Partial metering (approx. 5.9% of the area at the center of the screen)
(3) Spot metering (approx. 2.9% of the area at the center of the screen)
(4) Center-weighted average metering
(1) Evaluative metering (linked to all AF points)
(2) Partial metering: Approx. 5.8% of the screen
(3) Spot metering: Approx. 2.9% of the screen
(4) Center-weighted average metering
AE lock possible. The active metering timer can be changed.
Display Options(1) Basic Camera settings
(2) Advance Camera settings
(3) Camera settings plus histogram and dual level display
(4) No info
(5) Quick Control Screen
(6) Display off
3 levels available through INFO. button: No information, Basic shooting information, Histogram
Multiple Exposure status also available in Multiple Exposure mode
 
File Information  
Still ImageTypeRAW 14 bit: RAW and C-RAW (Canon original RAW 3rd edition)
JPEG 8 bit: 10 compression options
HEIF 10 bit: 10 compression options
Stills: JPG, HEIF, HIF, RAW, CR3, C-RAW, Movies: ALL-I, IPB, MP4, RAW, CRM
Image Size3:2 ratio (L) 6000x4000, (M) 3984x2656, (S1) 2976x1984, (S2) 2400x1600
1.6x (crop) (L) 3744x2496, (S2) 2400x1600
4:3 ratio (L) 5328x4000, (M) 3552x2664, (S1) 2656x1992, (S2) 2112x1600
16:9 ratio (L) 6000x3368, (M) 3984x2240, (S1) 2976x1680, (S2) 2400x1344
1:1 ratio (L) 4000x4000, (M) 2656x2656, (S1) 1984x1984, (S2) 1600x1600
JPEG: L Approx. 20.0 megapixels (5472 x 3648), M1 Approx. 12.7 megapixels (4368 x 2912), M2 Approx. 8.9 megapixels (3648 x 2432), S Approx. 5.0 megapixels (2736 x 1824), HEIF/RAW L Approx. 20 megapixels (5472 x 3648)
Movie TypeMP4: 4K DCI/ UHD (17:9 / 16:9), Full HD (16:9)
4K/ Full HD: AVC/H.265 variable (average) bit rate
4K/ Full HD: MPEG4 AVC/H.264 variable (average) bit rate
6K RAW: 12-bit CRM
Audio: Linear PCM
Normal: MPEG4 H.264 / AVC, 8-bit, 4:2:0; Color space BT.709
Canon LOG: MPEG4 H.265 / HEVC, 10-bit, 4:2:2; Color space BT.709 / BT.2020
Movie Size6K DCI (17:9) 6000 x 3164 (59.94, 50, 29.97, 25, 24, 23.98 fps) RAW
4K DCI (17:9) 4096 x 2160 (59.94, 50, 29.97, 25, 24, 23.98 fps) intra or inter frame / light inter frame
4K UHD (16:9) 3840 x 2160 (119.9, 100, 59.94, 50, 29.97, 25, 23.98 fps) intra or inter frame7
Full HD (16:9) 1920 x 1080 (119.9, 100, 59.94, 50, 29.97, 25, 23.98 fps) intra or inter frame
Full HD (16:9) 1920 x 1080 HDR (29.97, 25 fps) inter frame
5.5K RAW (5472 x 2886) - 59.94 fps*, 29.97 fps,24.00 fps, 23.98 fps [RAW]
4K DCI (4096 x 2160) - 59.94 fps*, 29.97 fps,24.00 fps, 23.98 fps [ALL-I, IPB]
4K UHD (3840 x 2160) - 59.94 fps*, 29.97 fps [ALL-I, IPB]
4K DCI (cropped 4096 x 2160) - 59.94 fps, 29.97 fps,24.00 fps, 23.98 fps [ALL-I, IPB]
Full HD (1920 x 1080) 119.90 fps**, 59.94 fps, 23.98 fps^ [ALL-I, IPB]
Full HD (1920 x 1080) 29.97 fps [ALL-I, IPB, IPB Light]
* AF does not function.
** Audio not recorded at High Frame Rate 119.90 fps recording
^ 24p recording will be supported through firmware update after shipping.
Movie LengthMax duration 6 hours. (excluding High Frame Rate movies). No 4 GB file limit with exFAT formatted card.Max duration 29min 59sec, Max file size 4GB (If file size exceeds 4GB a new file will be created automatically)
 
Other Information  
Wireless FeaturesWireless LAN (IEEE802.11a/b/g/n/AC) (5 GHz /2.4 GHz), with Bluetooth 5.0 support Features supported - EOS Utility, Smartphone, Upload to image.canon, Wireless printingBuilt-in Wi-Fi & Bluetooth
GPSBuilt-inBuilt-in
Custom Functions39 Custom Functions
LCD Panel / IlluminationYes / YesYes / Yes
Water & Dust ResistanceYesYes
Sound MemoYesUp to 30sec per image - 48Khz or 8Khz
 
Interface  
Computer Interface SuperSpeed USB 3.2 Gen 2 USB C connectorUSB Type-C, SuperSpeed Plus USB (USB 3.1 Gen 2)
Other InterfaceHDMI Micro out (Type D, HDMI-CEC compatible), External Microphone In (Stereo mini jack), Headphone socket (Stereo mini jack), N3-type terminal (remote control terminal)HDMI (mini), External microphone (Stereo mini jack) Headphone Jack, RJ-45, N3 remote release terminal, Flash PC connector
 
Memory  
Memory TypeDual, CFexpress (Type B) and SD/SDHC/SDXC, UHS-II SupportedDual CFexpress card slots (Type B)
 
Batteries & Power  
BatteryRechargeable Li-ion Battery LP-E19Battery Pack LP-E19. LP-E4N can be used, but the continuous shooting speed is restricted.
Battery LifeApprox. With LCD Approx. 860 shots (at 23°C)
With Viewfinder Approx. 620 shots (at 23°C)
Approx. Viewfinder: 2850 Shots at 73°F/23°C (2360 at 32°F/0°C)
Live View:610 at 73°F/23°C (530 at 32°F/0°C)
Power Supply Battery ChargersBattery charger LC-E19E (supplied), AC Adapter AC-E19 and DC Coupler DR-E19, PD-E1 USB power adapterBattery charger LC-E19 (supplied), AC Adapter AC-E19, DC Coupler DC-E19, AC Adapter kit ACK-E4
 
Physical Specs  
Body MaterialsMagnesium Alloy body and polycarbonate with glass fiberMagnesium Alloy body covers
Shutter Durability Rating500,000
Operating Environment32–104°F (0 – 40 °C), 85% or less humidity0 – 45 °C, 85% or less humidity
Dimensions Inches5.91 x 5.61 x 3.43" (150.0 x 142.6 x 87.2mm)6.22 x 6.60 x 3.25" (158.0 x 167.6 x 82.6mm)
CIPA Weight35.8 oz (1015g)50.80 oz (1440g)
 
Accessories  
ViewfinderEyecup Eg, Eg-series Dioptric Adjustment Lens with Rubber Frame Eg, Anti Fog Eyepiece Eg, Angle Finder C
Wireless File TransmitterBuilt-inWireless File Transmitter WFT-E9
Compatible LensesRF, RF-S (EF, EF-S, TS-E, MP-E with Adapter)All EF lenses (excludes EF-S lenses), TS-E and MP-E lenses
Battery Grip N/A N/A
RemoteRemote control with N3 type socket; Wireless Remote Control BR-E1Remote control with N3 type contact, Wireless Controller LC-5 and Speedlite 600EX II-RT
OtherHand Strap E2, Connect Station CS100
 
Review Canon EOS R3 Canon EOS-1D X Mark III
 
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