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 Monday, January 4, 2021

Image quality, vignetting, and flare test results along with specs, measurements, and standard product images have been added to the Sigma 85mm f/1.4 DG DN Art Lens Review.

This is a solid performing lens. The primary comparison I wanted to see was this one:

Sigma 85mm f/1.4 DG DN Art Lens vs. Sony FE 85mm f/1.4 GM Lens

Why are the center details rendered smaller by the Sigma lens? Strong pincushion distortion is the cause. When you see the price difference, you will lose at least most of that concern.

The Sigma 85mm f/1.4 DG DN Art Lens is in stock at B&H | Adorama | Amazon USA | WEX

Rent the Sigma 85mm f/1.4 DG DN Art Lens from Lensrentals.

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Posted to: Sony News   Category: Camera Gear Review News
Post Date: 1/4/2021 7:58:58 AM ET   Posted By: Bryan
 Tuesday, December 29, 2020

Image quality and distortion test results have been added to the Canon RF 50mm F1.8 STM Lens Review.

Aside from additional product images coming as soon as I can source the lens hood, this review is completed. Here is the comparison of most interest (visualize the modest resolution difference):

Canon RF 50mm F1.8 STM Lens compared to the Canon EF 50mm f/1.8 STM Lens

Order the very affordable Canon RF 50mm F1.8 STM Lens from B&H | Adorama | Amazon USA | WEX

Rent the Canon RF 50mm F1.8 STM Lens from Lensrentals.

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Posted to: Canon News   Category: Camera Gear Review News
Post Date: 12/29/2020 7:38:09 AM ET   Posted By: Bryan
 Tuesday, December 15, 2020

The Canon RF 50mm F1.8 STM Lens Review is posted and mostly completed. An extensive amount of information is available now with the lab test results expected later this week.

It is compact, it is light, and it is inexpensive. How does RF 50 F1.8 perform?

Order the Canon RF 50mm F1.8 STM Lens from B&H | Adorama | Amazon USA | WEX

Rent the Canon RF 50mm F1.8 STM Lens from Lensrentals.

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Posted to: Canon News   Category: Camera Gear Review News
Post Date: 12/15/2020 8:34:56 AM ET   Posted By: Bryan
 Tuesday, December 8, 2020

I finally got a Canon ET-77 Lens Hood, enabling the standard product images to be added to the Canon RF 85mm F2 Macro IS STM Lens Review.

This lens is popular and backordered everywhere.

The Canon RF 85mm F2 Macro IS STM Lens is available for order at B&H | Adorama | Amazon USA| WEX

Save the tax, use the B&H Payboo payment card (at B&H, I use this card exclusively)

Rent the Canon RF 85mm F2 Macro IS STM Lens from Lensrentals.

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Posted to: Canon News   Category: Camera Gear Review News
Post Date: 12/8/2020 11:58:30 AM ET   Posted By: Bryan
 Monday, December 7, 2020

Just posted: Sony a7C Review

The a7C is a compact, high performing full-frame mirrorless interchangeable lens camera that doesn't cost a fortune.

Order the Sony a7C at B&H | Adorama | Amazon | WEX.
 
Rent the Sony a7C from Lensrentals.

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Posted to: Sony News   Category: Camera Gear Review News
Post Date: 12/7/2020 9:57:51 AM ET   Posted By: Bryan
 Monday, November 30, 2020

Image quality test results have been added to the Sony FE 28-60mm f/4-5.6 Lens Review.

I think you will be impressed with these results. This tiny, affordable lens is a good performer.

Initially, the Sony FE 28-60mm f/4-5.6 Lens is only available in a kit with the Sony a7C. This kit is in stock at B&H | Adorama | Amazon USA | WEX

Eventually, the Sony FE 28-60mm f/4-5.6 Lens will be individually available. B&H says preorders start Feb 15th. Adorama and Amazon USA are not saying. WEX is taking preorders.

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Posted to: Sony News   Category: Camera Gear Review News
Post Date: 11/30/2020 9:43:01 AM ET   Posted By: Bryan
 Tuesday, November 24, 2020

What are the differences between the Sony a7C and a7 III? Size and the features directly related to size aside, these cameras are nearly the same. This sameness includes the imaging sensor and the resulting image quality. While the similarities reflect very positively on the a7C, the differences must be understood.

Let's look at the a7C vs. a7 III differences, starting with some visual comparisons.

Sony a7C Beside Sony a7 III Top View

Sony a7C Over Sony a7 III

Sony a7C Over Sony a7 III Top View 2

  • Headlining the a7C advantage list is a considerably smaller size. Essentially, slice the a7 III off at the top plate, and you get the a7C. Additionally, the a7C's lighter weight is welcomed:
    • 4.88 x 2.80 x 2.35" vs. 5.0 x 3.9 x 3.0"
    • 124.0 x 71.1 x 59.7mm vs. 126.9 x 95.6 x 73.7mm
    • The a7C's grip is considerably smaller with a finer-textured grip surface.
    • CIPA Weight: 18.0 vs. 23.0 oz (509 vs. 650g)
  • The EVF included on this little camera is a very positive feature, but directly impacted by the camera's reduced size is the a7C's viewfinder size. While both cameras feature approximately 2.35 megadot XGA OLED viewfinders with 100% coverage, there are significant differences:
    • Size: 0.39 vs. 0.50" (1.0 vs. 1.3cm) (little vs. huge)
    • Magnification: Approx. 0.59x vs. 0.78x
    • Eyepoint: Approx. 20mm vs. 23mm
    • The a7C has a minimalistic eyecup.
  • Notably improved is the a7C's AF system, now including support for Real-time Tracking and Eye AF (human) while recording video.
  • The a7C has no joystick. While some will find the "joy" missing, the touch and drag AF feature works well.
  • The a7C has no front dial.
  • The a7C has an increased buffer size (115 vs. 40 RAW).
  • The a7C lacks the light flicker avoidance feature.
  • The a7C has a working range down to EV -4 vs. EV -3.
  • The a7C's max shutter speed is 1/4000 vs. 1/8000.
  • The a7C can X-Sync at 1/160 vs. 1/250 sec.
  • The a7C does not have first-curtain mechanical shutter available.
  • The a7C features a side-opening vari-angle LCD monitor (necessary for self-recording) vs. tilt.
  • The a7C has a movie button on the top where it is easier to reach from the front vs. the back-positioned button.
  • Battery Life: approx. 680 vs. 610 shots (Viewfinder, CIPA)
  • The a7C has upgraded 5-axis in-body stabilization and shutter units.
  • The a7C has one custom button vs. 4.
  • The a7C has 3 custom modes vs. 2.
  • The a7C has a silver shutter release button *with a click* vs. black with no haptic feedback.
  • The a7C features wireless support for 2.4GHz and 5GHz bands vs. 2.4Ghz.
  • "A digital audio interface has been added to the camera’s Multi Interface (MI) Shoe, allowing the ECM-B1M Shotgun Microphone or XLR-K3M XLR Adaptor Kit to be connected to input digital audio signals directly to the MI shoe for cleaner, clearer audio recordings." [Sony]
  • Vertical video support has been added.
  • Single SD memory card slot vs. dual.
  • Memory cards are more challenging to insert into and remove from the a7C.
  • The a7C arrives with a $100.00 lower list price, but the 2-year-older a7 III's street price is $100.00 lower than the a7C's — a difference not likely to be found differentiating to most.

The Sony a7 III is a very popular camera, and those already familiar with it now have a very good understanding of the a7C.

More Information

Sony a7C

Order the Sony a7C at B&H | Adorama | Amazon | WEX.

Rent the Sony a7C from Lensrentals.

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Posted to: Sony News   Category: Camera Gear Review News
Post Date: 11/24/2020 8:45:31 AM ET   Posted By: Bryan
 Wednesday, November 18, 2020

The Sony FE 28-60mm f/4.5-5.6 Lens Review is mostly completed. This time the lab test results are following the field testing. Stay tuned for those.

This tiny, affordable lens is a good performer.

Initially, the Sony FE 28-60mm f/4.5-5.6 Lens is only available in a kit with the Sony a7C. This kit is in stock at B&H | Adorama | Amazon USA | WEX

Eventually, the Sony FE 28-60mm f/4.5-5.6 Lens will be individually available. B&H says preorders start Feb 15th. Adorama is not saying. Amazon USA is taking preorders now with Feb 1st listed as the release date. WEX is taking preorders.

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Posted to: Sony News   Category: Camera Gear Review News
Post Date: 11/18/2020 9:22:06 AM ET   Posted By: Bryan
 Monday, November 16, 2020

I've wanted to see the Canon RF 70-200mm F4 L IS USM Lens beside the Canon RF 70-200mm F2.8 L IS USM Lens, so I got around to creating a mockup today.

While both of these lenses are considerably smaller than their EF counterparts, the RF f/4 lens is considerably smaller (and lighter) than the RF f/2.8 version. Most of us prefer the smaller and lighter (and less expensive) aspects of f/4, the f/2.8 aperture's ability to transmit twice as much light to the imaging sensor and create a stronger background blur should not be overlooked.

Here are the specifications: Canon RF 70-200mm F4 L IS and RF 70-200mm F2.8 L IS USM Lens Comparison.

Order the Canon RF 70-200mm F4 L IS USM Lens from B&H | Adorama | Amazon | WEX

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Posted to: Canon News   Category: Camera Gear Review News
Post Date: 11/16/2020 12:34:46 PM ET   Posted By: Bryan
 Tuesday, November 10, 2020

With a Sony a7C in hand, it is time to set up the camera for use. Following are the 28 steps I took to make an out-of-the-box Sony a7C ready for use.

  • Charge battery
  • Download and install Capture One (for Sony) and/or Sony Imaging Edge (unless your current favorite RAW image processing software supports this camera)
  • Insert charged battery and power on the camera
  • Set the time zone, date, time, timeformat
  • insert memory card (don't forget to format it)
  • Scroll through all of the menu tabs to configure the camera as follows:
  • Camera Menu 1, Tab 1: Quality: RAW
  • Camera Menu 1, Tab 1: RAW File Type: Uncompressed (unless taking advantage of the about-50% smaller RAW file size)
  • Camera Menu 1, Tab 2: Long Exposure NR: Off
  • Camera Menu 1, Tab 2: Lens Comp.: All Off
  • Camera Menu 1, Tab 3: Bracket Settings: ->0>+ (makes selecting images for HDR processing easier)
  • Camera Menu 1, Tab 4: Priority Set in AF-S: AF
  • Camera Menu 1, Tab 4: Priority Set in AF-C: AF
  • Camera Menu 1, Tab 4: Focus Area: Flexible Spot: S
  • Camera Menu 1, Tab 4: Swt. V/H AF Area: AF Point Only
  • Camera Menu 1, Tab 5: Face/Eye AF Set.: Face Dtct Frame Disp: On
  • Camera Menu 1, Tab 8: Spot Metering Point: Focus Point Link
  • Camera Menu 1, Tab 11: DRO/Auto HDR: Off
  • Camera Menu 1, Tab 11: Creative Style: Neutral, Sharpness = 1 (This provides a lower contrast histogram. I usually process with the Natural creative style in Capture One)
  • Camera Menu 2, Tab 5: Release w/o Lens: Disable
  • Camera Menu 2, Tab 5: Release w/o Card: Disable (why is this not the default?)
  • Camera Menu 2, Tab 7: Grid Line: Rule of 3rds Grid
  • Camera Menu 2, Tab 10: Audio signals: Off (How to turn off the loud and usually-annoying AF beep sound)
  • Playback Menu, Tab 3: Display Rotation: Off (use full LCD for image review)
  • Setup Menu, Tab 1: Delete confirm: "Delete" first
  • Setup Menu, Tab 3: Touch Panel/Pad: Touch Panel+Pad
  • Setup Menu, Tab 3: Touch Panel/Pad Settings: Touch Pos. Mode: Relative Position; Operation Area: Whole Screen
  • Setup Menu, Tab 5: Copyright Info: Write Copyright Info: On, Set Photographer: {name}, Set Copyright: {name}
  • My Menu: Format; Silent Shooting; SteadyShot; Face/Eye AF Set; Live View Display

I make additional menu and other setting changes based on current shooting scenarios, but this list covers my initial camera setup process.

To copy this configuration means you intend to shoot similar to how I shoot - including in RAW-only format. While my setup works great for me, your best use of this list may be for tweaking your own setup.

If you can't remember your menu setup parameters, keeping an up-to-date list such as this one is a great idea. Anytime your camera is reset-to-factory state for some reason, such as when being serviced, you will be ready to restore your setup quickly while ensuring that you do not miss an important setting. If you purchase another same or similar camera, you will be able to set it up quickly.

More Information

Sony a7C

Order the Sony a7C at B&H | Adorama | Amazon | WEX.
 
Rent the Sony a7C from Lensrentals.

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Post Date: 11/10/2020 8:09:06 AM ET   Posted By: Bryan
 Monday, November 9, 2020

Just posted: Canon RF 85mm F2 Macro IS STM Lens Review.

This lens is going to be very popular.

I still need to create the standard product images for this lens. Expect them up as soon as I can get the hood.

Get in line now! The Canon RF 85mm F2 Macro IS STM Lens is available for order at B&H | Adorama | Amazon USA (in stock at premium price)| WEX

Save the tax, use the B&H Payboo payment card (at B&H, I use this card exclusively)

Rent the Canon RF 85mm F2 Macro IS STM Lens from Lensrentals.

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Posted to: Canon News   Category: Camera Gear Review News
Post Date: 11/9/2020 7:33:41 AM ET   Posted By: Bryan
 Tuesday, November 3, 2020

The Canon RF 70-200mm F4 L IS USM Lens and Canon RF 50mm F1.8 STM Lens pages have product images, preorder links, and specifications now included. The full reviews will, of course, come when the lenses arrive.

The mockup image shared with this post shows the RF 70-200mm F4 L IS next to the Canon EF 70-200mm f/4L IS II USM Lens. Like its sibling, the Canon RF 70-200mm F2.8 L IS USM Lens, the F4 lens has a retracting design, enabling it to have a significantly more compact size. The RF F4 will be much easier to include in the case than the EF variant. Also like the RF F2.8 lens, the RF F4 lens is not compatible with Canon RF Extenders. Unlike the RF F2.8 lens, a tripod mount ring is not available. Expect overall performance of the RF 70-200 F4 to be impressive – Canon told us to expect extremely high image quality. B&H expects this lens to be available on Dec 11th.

Here is the specifications comparison between those lenses:

Canon RF 70-200mm F4 L IS USM Lens compared to Canon EF 70-200mm f/4L IS II USM Lens

Below is the RF 50mm F1.8 STM compared to the Canon EF 50mm f/1.8 STM Lens.

Canon RF 50mm F1.8 STM Lens compared to Canon EF 50mm f/1.8 STM Lens

Not much changed from a size standpoint (without an adapter factored in), but the RF 50 utilizes a new optical design. Note that this STM AF system will not be completely silent, similar to other RF STM AF systems such as that in the Canon RF 85mm F2 Macro IS STM Lens. B&H expects this lens to be available on Dec 4th.

Here is the specifications comparison between these two lenses:

Canon RF 50mm F1.8 STM Lens compared to Canon EF 50mm f/1.8 STM Lens

Orders

Order the Canon RF 70-200mm F4 L IS USM Lens from B&H | Adorama | Amazon | WEX

Order the Canon RF 50mm F1.8 STM Lens from B&H | Adorama | Amazon | WEX

Order the Canon PIXMA PRO-200 Printer from B&H | Adorama | Amazon | WEX

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Posted to: Canon News   Category: Camera Gear Review News
Post Date: 11/3/2020 9:04:32 PM ET   Posted By: Bryan
 Thursday, October 29, 2020

Image quality test results have been added to the Canon RF 85mm F2 Macro IS STM Lens page.

This lens is a great value. I'll get your comparisons started:

Canon RF 85mm F2 Macro IS STM Lens compared to Canon EF 85mm f/1.8 USM Lens

The Canon RF 85mm F2 Macro IS STM Lens is coming soon to B&H | Adorama | Amazon USA | WEX

Rent the Canon RF 85mm F2 Macro IS STM Lens from Lensrentals.

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Posted to: Canon News   Category: Camera Gear Review News
Post Date: 10/29/2020 8:11:14 AM ET   Posted By: Bryan
 Wednesday, October 7, 2020

I'll start by saying, "in-depth" is relative in this case. The Canon RF 100-500mm F4.5-7.1 L IS USM Lens and Canon EF 100-400mm f/4.5-5.6L IS II USM Lens are two of the best telephoto zoom lenses ever made. As long as the lens will mount on your camera (the RF lens requires a Canon EOS R-series camera), there is no bad choice to be made here. Overall, these lenses are similar in so many regards that it is a stretch to create an "in-depth" comparison.

Let's start by looking at the name. Obvious is that the RF lens has a considerably longer focal length range. The 400mm vs. 500mm difference is illustrated in the RF 100-500mm Lens review. The 500mm focal length is very noticeably longer than the 400mm focal length, and I can think of no reason to not prefer the longer range. That is, no reason as long as the maximum aperture remains similar at 400mm.

We know from the name that the RF 100-500's max aperture is narrower at the 500mm end, and the unusually narrow to-f/7.1 spec gives us pause. The Dual Pixel CMOS AF system in Canon's R-series cameras autofocus lenses with narrow apertures very adequately, making very narrow openings quite usable, but we still want to know if the aperture opening size was being sacrificed at the 400mm focal length to keep this lens compact and light.

What is the Canon RF 100-500mm F4.5-7.1 L IS USM Lens's maximum aperture opening at 400mm? The early answers were:

Answer 1: When the camera is set to 1/3-stop increments, the maximum 400mm aperture reported to the camera is rounded to f/6.3.

Answer 2: When the camera is set to 1/2-stop increments, the maximum 400mm aperture reported to the camera is rounded to f/5.6.

While the max aperture does not change in these modes, the rounding of the actual opening size does, and the true aperture is likely between these two numbers, holds for only a short range of focal lengths, and the 1/3-stop difference in noise made visible by an offsetting 1/3-stop ISO change will matter to few. For the RF lens, Adobe software says that 400mm is f/6.2 (and that 500mm is 7.0).

Here is a comparative look at the max aperture step-down by focal length for these two lenses:

Modelf/4.5f/5.0f/5.6f/6.3f/7.1
Canon EF 100-400mm L IS II100-134mm135-311mm312-400mm  
Canon RF 100-500mm L IS100-150mm151-253mm254-362mm363-471mm472-500mm

While the RF 100-500 holds f/4.5 modestly deeper into the focal length range, the EF 100-400 L II holds a modest advantage at the longer focal lengths. Still, the differences are minor.

Back to the focal length range available: both lenses accept extenders, enabling the native focal length range to be significantly lengthened. Noteworthy is that the RF lens will not zoom wider than the marked 300mm native focal length while an extender is mounted. Extenders are primarily used for obtaining a focal length not native to the lens, meaning the 300mm wide end limitation is not important. The RF 100-500 better avoids the need for extender use, but being able to zoom out is sometimes helpful when an extender is mounted, such as when finding a subject in the viewfinder, and being able to fully zoom out makes the lens significantly more compact. Very noticeable is that the 100-500 range can be extended substantially longer than the 100-400mm range, up to 1000mm vs. 800mm. The max aperture of 500mm with extenders becomes rather narrow, though as we just looked at, the difference at the equalized 400mm focal length is minor.

Let's look at the image quality comparison next. The RF lens has less lateral CA in the periphery at 100mm and might be slightly sharper at this focal length at f/4.5. That is the only even somewhat noteworthy difference I see in the shared focal length range. Comparing the image quality from these two lenses at f/8 will hurt your eyes.

Of high interest to many of us is the RF 100-500mm lens at 500mm vs. EF 100-400mm with 1.4x at 560mm comparison. In this comparison, the RF lens is sharper, especially in the center of the frame. The EF lens leapfrogs the RF lens focal length, but the RF lens has a wider aperture. Mount 1.4x extenders behind both lenses and the EF lens appears to hold a very slight edge. Keep in mind that the comparison is now 700mm f/10 vs. 560mm f/8, not especially apples-to-apples. I'm not a fan of the 2x extender behind either of these lenses, but they perform very similarly in the 1000mm vs. 800mm comparison.

The RF lens shows fewer flare effects in our testing (having one less lens element is likely advantageous) and has modestly more peripheral shading with a wide-open aperture at 100 and 200mm.

Looking at specs and measurements, the Canon RF 100-500mm F4.5-7.1 L IS USM Lens vs. Canon EF 100-400mm f/4.5-5.6L IS II USM Lens comparison shows the RF lens slightly longer and noticeably lighter.

As illustrated in the image included with this article, today's length equation is:

EOS R5 + Canon RF 100-500mm L IS Lens = Canon EOS 5Ds R + Canon EF 100-400mm L IS II Lens

The EOS R5's extended viewfinder rises modestly higher than the 5Ds R's viewfinder, but this increase is advantageous in use.

Let's change the RF vs. EF equation to weights:

In ounces: (26.0 + 48.2) - (32.8 + 56.1) = 74.2 - 88.9 = -14.7 oz

In grams: (738 + 1,365) - (930 + 1,590) = 2,103 - 2,520 = -417g

Overall, the RF lens and R camera combination gives us an additional 100mm of focal length range in a similar-sized package that weighs nearly a pound (over .4 kg) less. Primarily, this line summarizes the significant differences between these lenses.

The RF lens has a control ring, providing additional functionality. The EF lens requires a Canon Mount Adapter EF-EOS R to mount on an R-series camera, and an adapter with a control ring is available to equalize this difference. With the RF lens control ring positioned where the EF lens's switches are located, the RF lens switches required a move and are now located between the zoom torque adjustment ring and the focus ring. The RF lens focus ring and zoom rings are modestly smaller in length, and the focus distance window is omitted on RF lenses.

The EF lens tripod foot is removable (and has a lower profile), while the RF lens's entire tripod ring is removable. I prefer the RF design for stability.

The RF lens has a slightly higher maximum magnification (0.33x vs. 0.31x), but both lenses have a great capability in this regard. The RF lens's image stabilization system is rated at 5-stops vs. the EF lens's 4-stop rating.

The RF lens paint color is whiter (the new white) than the EF lens's color, and RF lens hood is primarily white, while the EF lens hood is black. The RF lens zoom torque adjustment ring is now fully ribbed, and the RF lens barrel holds a more constant diameter over its length. Both lenses are well-built and fast-focusing.

The RF lens costs more, but neither lens is inexpensive. If paying this much, the difference is relatively small. Factor in the cost for an adapter for the EF lens to mount on an R-series camera, and the net difference is even less.

Order the Canon RF 100-500mm F4.5-7.1 L IS USM Lens at B&H | Adorama | Amazon USA | WEX

Reviews
Canon RF 100-500mm F4.5-7.1 L IS USM Lens
Canon EF 100-400mm f/4.5-5.6L IS II USM Lens

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Posted to: Canon News   Category: Camera Gear Review News
Post Date: 10/7/2020 10:28:51 AM ET   Posted By: Bryan
 Tuesday, October 6, 2020

Just posted: Sony FE 12-24mm f/2.8 GM Lens Review.

Simply outstanding lens.

The Sony FE 12-24mm f/2.8 GM Lens is in stock at B&H | Adorama | Amazon USA | WEX

Save the tax, use the B&H Payboo payment card (at B&H, I use this card exclusively)

Rent the Sony FE 12-24mm f/2.8 GM Lens from Lensrentals.

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Posted to: Sony News   Category: Camera Gear Review News
Post Date: 10/6/2020 9:56:06 AM ET   Posted By: Bryan
 Monday, October 5, 2020

Image quality test results have been added to the Sony FE 12-24mm f/2.8 GM Lens Review.

This lens is an outstanding performer — and very fun to use.

The Sony FE 12-24mm f/2.8 GM Lens is in stock at B&H | Adorama | Amazon USA | WEX

Rent the Sony FE 12-24mm f/2.8 GM Lens from Lensrentals.

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Posted to: Sony News   Category: Camera Gear Review News
Post Date: 10/5/2020 7:40:29 AM ET   Posted By: Bryan
 Wednesday, September 30, 2020

On my last afternoon in Alaska, I spent some time with professional photographer Michael Mauro. Check out our conversation in the latest, just-released edition of the Wild and Exposed podcast.

While there, sign up for a free Wild and Exposed podcast subscription, featuring "Tales from the Wilderness".

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Posted to: Canon News, Sony News   Category: Camera Gear Review News
Post Date: 9/30/2020 7:52:56 AM ET   Posted By: Bryan
 Tuesday, September 29, 2020

Friend of the site Manuel Delgado shares: LaCie 1big Dock SSD Pro Review

When speed is important, this drive is a great option.

Order the LaCie 1big Dock SSD Pro from B&H | Adorama | Amazon

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Posted to: Canon News, Sony News   Category: Camera Gear Review News
Post Date: 9/29/2020 8:35:53 AM ET   Posted By: Bryan
 Monday, September 14, 2020

Image quality test results have been added to the Canon RF 100-500mm F4.5-7.1 L IS USM Lens Review.

You are going to like this lens. Here is the comparison many of us were waiting for:

Canon RF 100-500mm F4.5-7.1 L IS USM Lens vs. Canon EF 100-400mm f/4.5-5.6L IS II USM Lens

Be sure to compare the other focal lengths, including those with extenders included.

I'm currently in Rocky Mountain National Park with this lens and some other incredible gear. I'll create a detailed RF 100-500 vs. EF 100-400 II comparison, likely after I return.

Supply seems to be catching up with the initial orders for this lens. The Canon RF 100-500mm F4.5-7.1 L IS USM Lens is available for order at B&H | Adorama | Amazon USA | WEX

Rent the Canon RF 100-500mm F4.5-7.1 L IS USM Lens from Lensrentals.

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Posted to: Canon News   Category: Camera Gear Review News
Post Date: 9/14/2020 3:48:25 PM ET   Posted By: Bryan
 Wednesday, September 9, 2020

I recently shared an adapter modification that permitted Canon RF extenders to be used behind all (most?) Canon EF lenses — and Canon EF lens and EF extender combinations. The next idea was to push the overall focal length using double extenders.

The image shared with this article shows the following setup, from right to left, then down:

Doing the math:

600mm x 2 x 2 = 2400mm

That is an impressive focal length.

I originally inserted a Canon EF 12mm Extension Tube II behind the EF 2x, enabling a Canon EF 1.4x III Extender to be added to the optical path. That addition would have resulted in an awesome 3360mm lens, but the extension tube broke the electronic connection required for this lens to focus, even manually. The resulting combination was useless, aside from looking amazing.

Back to the 2400mm setup. The second equation this combination creates is considerably less exciting:

F/4 - 2 stops - 2 stops = f/16

The first equation results in an incredible number that is offset to some extent by the result of the second equation. Remarkable is that the EOS R5 focuses this combination very quickly in good light, avoiding focus hunting if the subject is not too significantly out of focus. Keeping a 2400mm lens still enough for sharp images remains a challenge, and with two 2x extenders in the optical path, this rig is not too sharp. Here is a 100% crop processed from a RAW image in Canon Digital Photo Professional (DPP) using the Standard Picture Style with Sharpness = "1" (0-10 scale).

Sharpness at 2400mm

On the fun side of the equation, the awkwardly-shaped 92.7% waning moon nearly fills the 2400mm frame. At this magnification, the thermal irregularities in Earth's atmosphere are apparent even in the viewfinder. And, the moon has to be tracked continuously to keep it centered in the frame (after the challenge of finding it in the frame has been met).

Moon at 2400mm

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Posted to: Canon News, Sony News   Category: Camera Gear Review News
Post Date: 9/9/2020 8:03:38 AM ET   Posted By: Bryan
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