Good news no matter, that others are finding some solutions. if it was repeatable venting of the heat in less than 20 mins that also might work for some. Maybe Canon can also tweak that threshold but I think they still need to figure out how they can vent the hot air out, maintain the weather sealing (when not venting) and then the recovery time would also be solved. There was talk about a new firmware supporting different modes is coming, so maybe this will ease things.Ĭertainly seems there isn’t one “culprit” to the overheating, rather it is the combination of components based on what you are doing which is causing the system to finally go over the threshold. Plus with a bit of post editing (sharpening) maybe it won’t be noticeable. Seems if they can lower the h265 overhead and need less I/o we might get some internal recording possible in the higher modes, but how much quality that will impact it is not clear until Canon responds. That’s h265 and the I/o which is pushing it over the threshold.īottom line, it seems that this might help anyone professional for some modes, but since atomos doesn’t support the 8k modes or 120fps, then not a solution there, and if Canon doesn’t have an hdmi 2.1 then adding that into the body won’t be a quick fix. Internal writing is compressed to lower the data rate to something cfexpress can cope with. HDMI is uncompressed data, so it’s sending the downsampled signal out through HDMI and no internal writing to storage - presumably all memory based. It potentially being a software problem rather than hardware is good news at least.I think it might be a little more complex. This was to record for this long period of time, without the MASSIVE Atomos file, and still show the camera was in fact running for the entire time. This is no different than Geralds live streaming setup, and showcasing the times you can expect as if you were recording on the Atomos. The dedicated cooling fan did force the design of the Canon EOS R5 C to be a bit bigger than the original Canon R5 but adds uninterrupted 8K/60p. The setup here is as follows – HDMI out of Canon R5, into Atomos, out of Atomos, into ATEM, out of ATEM, into OBS on the PC. The key to the new Canon EOS R5 C camera is the built-in cooling fan. In this video I show (with as much proof as I can), how I'm able to record up to 4 hours in 4KHQ 30fps, 10-bit CLOG, with IBIS and DPAF all on, with no issues like the blackout or screen off issue myself and Gerald were having. The Canon R5 does not seem to overheat, externally, if you don't have any cards in the camera. Another major difference is the capability of the R5C to record full-frame 8K 12-bit video footage up to 30fps (or 60fps with an external power supply). Is there some kind of software limitation in the camera?Ī dummy battery was also used in this test. This seems like a pretty surprising outcome for something so simple. Simply by removing the memory cards from the camera while recording externally lead to a big boost in recording time. Wayne from No Life Digital has posted a video to his YouTube channel showing how he got the Canon EOS R5 to record 4 hours of 4KHQ 30p video to an Atomos Ninja V before the camera overheated.
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