Magic lantern canon 60d safe4/17/2023 So any exercise to explain that electronic overheat and need an hour to cool down or that people get burned and other fantasy do not stand when you start talking "external recording" without time limitation. Without any hack, you can record forever. When using an external recorder the camera is also getting super hot and Canon have never limit recording when you do not have a card inside. My guess is that the 43 C could actually be written into some countries legislation or regulations as well, so Canon might not have any choice about it. But they seem to have designed the protection for those in mind who do their videos hand-held. I'll try to find some information on this. Of course, if you don't hold the camera in your hands during recording and use a tripod or gimbal, then it wouldn't cause burns. ![]() (Canon also mention controls for internal temperatures as a secondary consideration in the CineD interview). So it seems that the 43 C tissue damage threshold is indeed what Canon used to design their overheating algorithm to protect primarily against, and they're running it pretty close. ![]() The hottest part of the camera was the back behind the LCD door (43☌ / 109☏)". Roger writes "we ran it for 18 minutes before getting a temp warning. If the temperature of the skin does rise above 43 C then you can expect some damage, though I don't know how quickly it happens or how severe it is. ![]() That's what is used in medical devices as the safety limit: during use, the device must not heat the tissue temperature above 43 C. 43 C is regarded as the limit of temperature that is safe for human tissue so that it's not damaged due to the heat.
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