Andrew Reid

I see it plateaus around the 57C-61C mark for 15 mins. So it can roll along just fine at 60C for 15 mins... But come the 30th minute of thou hour, the great Thermal Christ beams down from Cripple HQ to read us the Ten Commandments.

Please remember to check all the previous articles and topics before you mention the sensor. A) It runs doing 8K readout for hours when external recorder is attached B) It's been measured with an infrared thermometer C) The visible image noise doesn't increase between 10-20mins in 8K recording, let alone after 4 hours D) The R6 has similar overheating timer, even though the low resolution 20 megapixel sensor (similar to 1DX3) is only doing 5K/4K readout

I don't know why it doesn't go above 64C. We are not semiconductor engineers at the end of the day There are probably thermal throttling things to add into to the mix, the situation is probably complex. But there is now mounting evidence that Canon has been completely bullshitting us. And just to have these limitations in the first place is disappointment enough and loses them a ton of business. Zero apology. Possibly shifty, secret recall. Saving face. Lying. Honestly I don't feel like giving any more money to them, do you?!

Sometimes I lose faith in the camera industry completely and think about moving on. Maybe do smartphone camera reviews, now they are at enthusiast level and really quite unique in some regards. But then I realise there is just so much immorality, face saving and arrogance everywhere I look. On the streets, in people's personal lives, in businesses up and down the country, around the world, small and large, that any efforts to correct this or open people's eyes in any small way is basically a teardrop in the sewer.

"Math Class" on Baidu now has extensive infrared thermometer readings of the camera's mainboard with the back off, showing they correspond closely to the temperature reported in the EXIF data and don't rise above 64C. His next finding is that if you remove the internal battery it resets the so-called overheating limitations. So who is telling the truth now, Canon? You can view the most recent findings here by the user "Math Class" (Google translated) Read the full article on EOSHD: https://www.eoshd.com/8k/removing-internal-battery-resets-eos-r5-overheat-timer-are-canons-pants-now-completely-down/

Huawei P40 Pro has RAW capture on all lenses but RAW capture on a phone looks considerably worse than the composite images made by multiple frames and computational photography. 10bit HEIF > RAW on a smartphone. Sony makes average cameras at best on their smartphones, and to be honest average smartphones in every sense. P40 Pro Plus, P40 Pro, Xiaomi Mi 10 with 8K, Oppo Find X2 Pro, those are the ones to beat on the camera front. I'd avoid Sony like the plague for smartphones.

I shall nickname my EOS R5 "Boris 5"

I believe him. https://www.eoshd.com/news/silence-of-the-recall-is-canon-turning-around-shipments-of-eos-r5/

Yeah their get-out clause is always "I wasn't paid!" That isn't the main thing. They have formed a relationship with an important company that is giving them relevance and an elevated pedestal online, Canon even put McKinnon in the official R5 launch on the same platform as their Japanese bosses. Is he really going to turn around and bite that hand... A good way to put it 🙂 It is a stampede to get noticed and be relevant. Although they may not get paid for reviews, they DO get paid for speaking on behalf of big companies at events like Photokina. They DO get their expensive travel plans and hotels paid for and sometimes a trip to a tropical island. If they were upfront about all this, it would amount to a big YES I DO GET PAID. Just be honest about it. I want guys like Peter to do a video with a big gurning AMAZED face saying "YES I AM A BIASED PROSTITUTE" Sadly I feel the audience responds to this! They love it and come back for more. They fall for it hook line and sinker every time! If they didn't, companies like Canon would not bother giving out the cameras. Yep seen a few of those too.

It is not documented anywhere how the EXIF temp is measured. The reason it is still useful is that it can give an indication of the camera operating temperature, inside the case, and can be correlated with the 'supposably' temperature related inhibitors reported by @BTM_Pix's app over Wifi. In a 25C room the internal temp reported 46C during stills and 64C during prolonged 8K video. So it does give an indication of the real-time workload of the processor. In the fridge at 4C it reported a steady 34C. It also gives a reliable indication of whether the camera is heating up or cooling down. I don't see why a camera that isn't heating up and is far away from 64C internally can refuse to record even a single frame of 8K at 34C internally. This would indicate that the main CPU is thermally throttled because it is working so hard in live-view doing one JPEG per minute, it has reached a critical 85C or over. I can't see how would be the case. If live-view pushes the image processor that hard then there is something seriously wrong with the LSI. Also it is important to bear in mind all the other weird discoveries... Like the fact the image processor is happy encoding 4K H.265 10bit 4:2:2 from pixel binned sensor data with no heat limits, but not from the oversampled sensor data, even though to the image processor the resolution, bit depth and colour sampling is identical in both modes... But that the sensor is happy doing the oversampled 8K sensor readout, and image processor is happy to receive this and produce 4K HQ from it, sending it to the HDMI port... for FOUR hours to an external recorder! So clearly the sensor isn't heat limited doing 8K and the image processor isn't heat limited doing 4K H.265 10bit 444, so where's the overheating issue?

Canon's only admitted that live-view shortens the record times. What they really mean is that the record times vanish to nothing after 60 stills in winter at nearly 0C ambient! Obscuring the real performance much... Blaze of hype, and some best case scenario 20-30 min continuous record times. It is deeply misleading stuff. They also said the magnesium alloy body is used to dissipate heat from the internal components, and they intentionally mitigate 'significant heat' from processing 8K this way. This is also a lie because as we see from the teardown there is no thermal pad or effective conductivity between the processor and magnesium alloy. There is even a circuit board sandwiched in over top of CPU for good measure. I honestly don't know how the Japanese engineers sleep at night. The loss of face both publicly and with other engineers must make them reconsider working for Canon at some point.

Interesting he went back to 1D X3 But never told us why. It's as if every video he says "I'M SWITCHING" Fucking con artist.

The sad fact is that it's easier and cheaper for Canon to fix this problem with more marketing, rather than a recall. But we customers should remember such ethics and consider whether we want to be giving our money to a company that treats us in this manner. Peter McKinnon's last video on the EOS R5 was called: "Filmed this entire EOS R5 Video without it overheating..." And he's now been silent on the issue for a month, despite all the new revelations. So whenever somebody comes on here to defend Peter and others like him. Just remember where their loyalties really lie. To themselves and to the corporate entities. It isn't with you.

Nikon colour is very good out of the box, do you mean something that looks more stylistic and cinematic?

I'd like to hear from Tilta as well as Canon. If my fridge doesn't cool the camera externally what does their fan do differently? Canon said officially: "Use an external fan to dissipate heat" Well I used an external fridge to dissipate heat and it made no fucking difference.

What I find most troubling is Canon even saying in the official "media alert" that the housing mitigates the temps and helps cool the powerful chip, yet there is no attempt whatsoever to achieve good thermal conductivity between the main CPU and the casing, no thermal pad, and PCB blocking it. So are they lying to us? I don't know for sure what happens in the firmware, but that raises a lot of questions, but the slam dunk to me is the internal layout. What kind of mitigation is the magnesium alloy casing in a fridge, when the camera still throws the overheat warning after no mins recorded in 8K video mode? It is none. Here's what Canon said: "Magnesium alloy was used in the body to dissipate heat away from internal components" And here's their PR response from the UK team to me: "I can confirm that we have shared your comments with Canon inc. in Tokyo and investigations are ongoing regarding the points you raise." "As you are aware, the EOS R5 is a hybrid stills and video full-frame mirrorless camera and not a dedicated video camera. We have packed a lot of technology into a compact body design to increase the range of shooting possibilities for our customers." "There are inevitably limitations with the compact body design of the EOS R5. A wide range of factors must be considered, and a balance found between its function as a stills camera and its video capabilities. This is why we continue to offer a full line-up of video cameras from entry level to high-end cinema to meet the different requirements of the different forms of video production." Anyone notice the up-sell at the end?

Very good point, thanks. So we have a range of Internal temp from 33C to 65C, with OVERHEATED! SHUTTING DOWN error at 33C but not at 65C. And do we need to put it in the damn oven before we get a response from Canon?

Shooting those JPEGs must be real heavy lifting for it to get so hot it can't do high quality video after. And 33C internal temp must really tax the CPU!

The shut down relates to video mode. When you enter video mode, that's when the shutdown occurs. However, it only takes the 1 hour and 60 JPEGs in stills mode for the timer to shut down the camera with an OVERHEATED! message if you attempt to stay in video mode for more than a minute or so. So basically, as a stills camera it is claiming dangerous temps that prevent any usage in 4K HQ / 8K video mode, even if these features haven't been used at all. If this 'overheating' behaviour is to be believed. The fridge and 33C internal temp reported seems to suggest otherwise.

They only have two faces Frowny gurning face. AMAZED gurning face. And of course the two faces they show in real life... One face to the PR reps and one to their audience. Here's the results of my fridge test: https://www.eoshd.com/news/canon-eos-r5-overheated-in-my-fridge-after-just-60-jpegs-4-c-ambient/ Maybe the freezer next but to be honest the point has been proven so many times. I'll put my effort into getting Canon to fix this now and getting an apology out. Otherwise, I'll see them in the small claims court and some of my 4380 euros back.

Canon really threw the kitchen sink at the EOS R5 specs sheet. What about the kitchen fridge? Canon have stated overheating time limits for HQ video recording in a warm 23 °C room. How does the camera perform in much colder conditions? Does the EOS R5 still overheat in the Wifi menu in a fridge? Or do the cold temperature help cool the camera body, which Canon claims act as mitigation for hot components inside? Read the full article: https://www.eoshd.com/news/canon-eos-r5-overheated-in-my-fridge-after-just-60-jpegs-4-c-ambient/

It's more the sites and personalities that DON'T mention it that are the problem! DPReview very quiet aren't they?!

Thank you for the test So it shuts off before the temperature EXIF reported by the 5D Mark III in 1080p. Interesting.

I would have thought that it gets to 65C sooner than 25 mins. So let's try this... Record 4K HQ in 5 min segments, and after each 5 mins measure EXIF temp with a JPEG and immediately start recording the next 5 min clip. Then log all the recorded temps - for example: 0 min: 30C 5 min: 65C 10 min: 65C 15 min: 65C 20 min: 65C If it holds steady like that at 65C for ages, we know it can handle 65C and we know it would need a further increase in temp later on to trigger the shut down. BTW 65C is the temp Magic Lantern reads out on the screen on most of the old DSLRs during 1080p. It is very unusual for a CPU to hold steady at a certain temp for 20 mins, before giving up at 25 mins or suddenly spiking upwards even thought the processing load has been consistent for the past 20. If a CPU can run for 25 mins steady at same temp (65C) without crashing or thermal throttling, it can run for another 25 mins at that temp, and another.

Take it they didn't want to lose face then by giving the hacker $400!