20 minutes in 8K or an hour in 4K? Overheating has become the main bane of filming cameras

Can you imagine a situation when a filmmaker has to take a break during a wedding or event because the camera has overheated? Unfortunately, the latest Canon EOS R5 recording in 8K has a big problem with temperatures. And what about his rival Sony A7S III?

2020 will be a breakthrough for video makers, as a new stage in the competition between Canon and Sony begins. A new generation of equipment is currently entering the market, which has the chance to change the existing distribution of power and redefine what functions the filming camera should have.

I mean two very hot premieres that focused the eyes of the entire industry. The first is the Canon EOS R5, which Krzysztof Basel already had in his hands . The camera opens a new generation of Canon mirrorless cameras. The manufacturer has redesigned all key aspects and also added completely new solutions, including recording in 8K.

The second premiere is just coming. This is almost the mythical Sony A7S III body, which has been announced for several years, but according to leaks, the market premiere will take place at the end of July .

Therefore, two very advanced cameras will appear on the market, the most important element of which will be filming. It seems that in both cases the producers have put a higher gear and far ahead of their current solutions. It will be an interesting battle for the market, because at one point Sony took over from Canon the rod of the largest innovator in the semi-professional video segment. Now Canon has the chance to drag filmmakers back to their site.

The problem of new equipment will not be prices, but temperatures.

The new generation of equipment will initially be very expensive, but this time the main problem will not be the price, but the problem with overheating.

Overheating of the bodies is a problem that Sony has been struggling with for years. From the very beginning, the mirrorless cameras (but also the compacts) simply became too hot at some point, after which the camera had to turn off. After years of development, this problem has been overcome, although there is still room for improvement.

The same ill returned with full force at the premiere of the Canon EOS R5. The camera features hot surface warnings, like a Starbucks coffee mug. In turn, recording time leaves a lot to be desired. Just look at the list of possible recording times at room temperature in ALL-I mode:

  • 8K 30 fps: 20 min.
  • 4K 120 fps: 15 min.
  • 4K 60 fps (crop): 25 min.
  • 4K 30 fps HQ: 30 min.
  • 4K 60 fps: 35 min.

With limited quality, you can get much longer recording times, but that's not what we spend 20 thousand. PLN to use a fraction of the camera's capabilities.

When we're recording outdoors, the Canon EOS R5's working time is further reduced. At 35 degrees, you can record only 16 minutes in 8K resolution, which makes this mode almost unusable. The basic 4K 30fps high quality mode allows for a time well below 30 minutes.

For now, we don't know anything about how Sony A7S III will behave. According to leaks, the camera has no problems with overheating, although history shows that it will not be so rosy. However, we will find out about this during testing.

This generation does not have to upload better specification equipment. Much more important may be such a prosaic thing as the temperature of the camera.

It seems that Canon will have an advantage over Sony in terms of specifications. Canon was the first to focus on 8K video, and also created a universal camera that will work not only with the filmmaker, but also with the photographer. According to leaks, Sony will be more conservative: it will give users very good 4K quality, and the camera will be focused only on filmmakers.

Specifications in the video world are very important, but in the end the usability of the bodies matters. I am very curious how the Canon EOS R5 will fight Sony A7S III, when the latter will appear on the market. This time the specification does not have to decide on the success.

Or maybe the creators can overheat using the way around?

Video creators - including the one signed above - have lived with overheating bodies for years. For several years I recorded Sony A6300 in 4K mode and it was a real fight with the equipment.

Overheating can be managed to some extent. In my case, tilting the screen, opening the battery cover and all socket plugs helped, and above all the metal cage adapted to the A6300 helped. It increased the surface of heat dissipation, thanks to which the camera worked longer.

Longer, but not without restrictions. Sooner or later there was always a moment when the camera turned off. In this case, the last resort was to replace the hot battery with a new, cool one. It allowed to get several minutes of work more.

However, we live in a time when it is not necessary to resort to such partisan solutions. There are great cameras that do not have problems with overheating, such as the Panasonic S1H equipped with a built-in fan cooling the interior.

Taking all this into account, the success of the new generation of equipment does not have to be determined by the specification or even the price, but by the work culture at high load.



20 minutes in 8K or an hour in 4K? Overheating has become the main bane of filming cameras

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