EOS R5 Overheating Issues - EOS R6 No Dual Card Video Recording

[kimbulford]

Multiple reports are coming in that the EOS R5 has major overheating issues. I was wondering how they were going to pull off 8K and 4K120FPS in such a small body with no active or even passive cooling. Hopefully these are just pre-production issues and they improve the processing efficiency to the point to where this does not become a production issue.

In other news it seems like both the R5 and R6 will have terrible battery life and the R6 at least will not be able to record video to both card slots....so I'm back on the fence with waiting to see where Panasonic goes with the GH6. The R6 also still has that 30min video recording limit.

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[Tronhard]

Nikon grasped that nettle with the Df (Df for Digital fusion with classic film cameras), which was originally panned for what was considered its shortcomings - no video, no built-in flash, single card etc.  But those where characteristics of the era it was meant to represent, when SLR cameras had those characteristics, and it is now a bit of a classic.  It's a brilliant camera in its own right with a fantastic low-light FF sensor, and I love the classic interface that allows one to savour the moment of actually taking the photograph, but with a great under-the-hood digital features.

Yep, I still have my monumental stable of digital Canon gear (as indicated in my profile), and I DO understand the market pressures that all camera companies are under.   I will be grateful for the fact that we still have conventional still cameras at all.  I doubt I will use the cell phone as my go-to device.

[RobertTheFat]

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@kimbulford wrote:

Multiple reports are coming in that the EOS R5 has major overheating issues. I was wondering how they were going to pull off 8K and 4K120FPS in such a small body with no active or even passive cooling. Hopefully these are just pre-production issues and they improve the processing efficiency to the point to where this does not become a production issue.

In other news it seems like both the R5 and R6 will have terrible battery life and the R6 at least will not be able to record video to both card slots....so I'm back on the fence with waiting to see where Panasonic goes with the GH6. The R6 also still has that 30min video recording limit.

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You have to understand that the 30-minute recording limit is not a technical deficiency. It is a deliberate limitation to keep the camera from being taxed as a video camera by those countries that impose a higher tariff on video cameras than on still cameras. Does the R5 not have that limitation? If not, that could account for some of its rather surprising price.

[Tronhard]

What Robert says is absolutely correct.  In the EU cameras that can record more than 30sec of video are hit with much higher taxes or tarrifs, so the vast majority of makers of dual function cameras hold the maximum record value to 29'59" or less.

I would check what reputable tests indicate rather than heresay from sources that are not authenticated about both heating and battery life.  There is so much unfounded innuendo put out on the web these days.

[Tronhard]

Further to that, this article appeared in DPReview.com regarding overheating issues.
https://www.dpreview.com/news/0965339225/canon-issues-media-alert-to-clarify-overheating-concerns-of...

The pressure to have non-dedicated video cameras perform as video cameras is an on-going issue. The concept that a MILC or DSLR can be a true video camera is rather like saying that a WWI or II U-boat (sans snorkel) is a true submarine. It was, in fact, a submersible: i.e. a vessel that can spend some time under water but must eventually come to the surface to get air. In the same way, a small, weather-resistance stills camera has challenges in becoming an unlimited video camera, that's why that market still exists.

[Waddizzle]

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@Tronhard wrote:

Further to that, this article appeared in DPReview.com regarding overheating issues.

The pressure to have non-dedicated video cameras perform as video cameras is an on-going issue. The concept that a MILC or DSLR can be a true video camera is rather like saying that a WWI or II U-boat (sans snorkel) is a true submarine. It was, in fact, a submersible: i.e. a vessel that can spend some time under water but must eventually come to the surface to get air. In the same way, a small, weather-resistance stills camera has challenges in becoming an unlimited video camera, that's why that market still exists.

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Spot on observation about the weather sealing!

The Sony A7s Series is what everyone points to and asks why can't other manufacturers [do that].  It is because those cameras are actually cinema cameras with a DSLR form factor.  They use a 12MP image sensor, and are NOT weather sealed.