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An underwater review of the Canon EOS R5 mirrorless camera

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Without a doubt, the Canon EOS R5 is the top image-maker of 2020 and could potentially go unmatched in the camera world for another few years. It is the first full frame mirrorless camera to offer 8K video capability and features a specs sheet that puts it at the top of its class. The EOS R5 directly answers many of the concerns that photographers had with the EOS R and promises significant updates to important functions including autofocus, stabilization, continuous burst shooting, and video.

Despite Sony’s dominance in the underwater camera market over the last year with the A7R IV, it is likely that the Canon EOS R5 will be even more popular as the camera of choice for both underwater photographers and filmmakers.

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The Canon Cripple Hammer is pure “conspiracy theory” says Canon director

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Johnnie Behiri at CineD recently interviewed Canon Product Management Director of Image Communication Business at Canon Europe (that’s a mouthful!), Katsuyuki Nagai to talk about some fo the EOS R5 and EOS R6 overheating issues – and the limitations imposed on the camera.

Naturally, the topic of whether Canon was intentionally crippling their DSLR and mirrorless cameras so as not to impact their pro cinema line cameras came up. As one would expect, Mr Nagai not only refuted the accusations but said they belong “on the conspiracy theory pile”.

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Canon releases major firmware update for EOS R6 to improve overheating (minor R5 update)

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Canon has announced new v1.1.1 firmware updates for the EOS R5 and EOS R6 mirrorless cameras. The EOS R5 has already received one firmware update to help improve overheating issues and record times recently, and now it seems some of those improvements have come to the EOS R6 as well.

The major firmware update for the EOS R6 includes a number of bug fixes and improvements, as well as the overheating issue, while the EOS R5 update is fairly minor, just resolving a couple of compatibility issues.

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The EOS R5 overheating issue is solved and it’s a super simple (only slightly hacky) workaround

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I never even suspected that the solution might be this simple. I don’t have an EOS R5, but I figured if it was this easy to get around Canon’s time limits on the EOS R5, somebody would have tested it already. But it turns out that the EOS R5 (and presumably EOS R6) overheating limits can be beaten by a simple clock change in the camera’s settings.

The folks at Hong Kong-based production company, Vision Rouge suggested the idea of changing the clock and a user by the name of yourboylloyd on the Magic Lantern Forums decided to see if it really was that straightforward. And, well, yes. It seems that it is.

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Take a peek inside the Canon EOS R6 mirrorless camera in this disassembly and teardown

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Here at Kolari Vision, we love tearing into the newest camera gears to learn how they work and if they can be modded for infrared photography, full spectrum photography, or other things. We’ve been really excited about the Canon EOS R5 & EOS R6 release and had plans to add some cooling mods and overhaul it into a proper video camera.

Reports that Canon uses a clock rather than temperature readings left us a bit disappointed and calls into question whether physically cooling down the camera can actually give any more shooting time. While we don’t have an R5 yet, we did get an R6 this week and tore it down to see what’s inside. Here we’ll go over the basics that we found inside, how the thermals are handled, and later share some insights we learned about how the Canon clock circuit works.

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Comparing the Canon R5 and R6 file formats (RAW, CRAW, JPEG, HEIF)

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In my last post, I shot images with both the Canon EOS R5 and Canon EOS R6 to compare the ISO performance of both cameras. As always, this led to a lot of comments, emails, and DMs asking me if I could also compare the different file formats of these cameras. While I still have both these cameras on loan from Canon, I decided that now would be a good time to tests these parameters for all of you (and me too).

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Testing the ISO of Canon EOS R5 and R6 vs 1DX Mark III and 5D Mark IV

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Whenever Canon comes out with new cameras, one of my most important real-world tests is determining how clean the images look at higher ISOs. I am not testing this for scientific reasons, I am doing this test because I shoot in low light quite often and want the highest quality images for my clients. I also thought that you and the rest of the world might be interested in this as well.

Many people get caught up in the number of megapixels that a camera has on its sensor, thinking that the more the better. What people may not know is that the more megapixels they cram onto a sensor, and the closer that those pixels are to each other, the more heat build-up occurs. This increase in heat can ultimately also increase the digital noise (graininess) in our photos.

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Canon releases V1.1 EOS R5 firmware to improve video recording times

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Canon has received a lot of criticism over the Canon EOS R5‘s overheating issues, especially since it started to look as if the limitations were arbitrarily imposed by Canon and not based on actual temperatures. Well, now they seem to be addressing some of those issues with a new V1.1 firmware update.

Now, this certainly isn’t going to make everybody happy, as the benefits seem relatively minor, but it is at least an improvement. As well as extending the shooting times, the firmware fixes a few typos and corrects some bugs.

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Solve the EOS R5 overheating issue (kinda) with a piece of tape

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There are a couple of reports right now of users managing to overcome the overheating limits of the Canon EOS R5 mirrorless camera. Well, sort of. By tricking the camera into thinking the battery slot door is closed when it’s not, people have found a way to reset the timer. But there’s a catch. Your footage is pretty much useless.

The video above by J. Marcus Photography demonstrates the technique, and how he was able to reset the timer using just a piece of tape over the battery door to make the camera think it was still closed. When the overheat warning came on, he removed the battery, reinserted it and magically the overheat warning was gone.

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Sony A7R IV vs Nikon Z7 vs Canon EOS R5 – Is Sony still the king of Eye autofocus?

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Much has been said over the years about Sony’s Eye Autofocus system and it was one of Sony’s biggest selling points for portrait photographers for a long time. Even after Canon and Nikon finally jumped into the world of mirrorless cameras, Sony still seemed to be on top when it came to their autofocus system.

But now that Nikon and Canon have had their systems out for a while and they’ve been working on them, does the same hold true today? In this video, Jared Polin (AKA FroKnowsPhoto) puts the Canon EOS R5, Sony A7R IV and Nikon Z7 mirrorless cameras to the test to see how they stand up in a head-to-head comparison.

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