I don't think it comes as a surprise that Canon will be releasing firmware updates for the Canon EOS R5. I have been told that we will see an update “soon”, no date was given. As with most firmware updates, it'll be released when it's done.
The source claims the following will be added to the Canon EOS R5, but cautions it may not come all at once in a single firmware update.
- Addition of Cinema RAW light option to 8K recording
- Addition of CLog 3
- Increased record time limits (but don't expect a huge boost)
- Various bug fixes
These additions may not be all that is coming, but the source claims these features are what's coming first.
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4K120p (light) please
Just needs 1080-120p/240p, 1hr record limit in basic 24p recording .
Cinema Raw Light is Canon's own compressed raw codec, first introduced on the C200 and now present in C500II, C300III, and 1DX Mark III. It's similar to Black Magic Raw in that it is a compressed raw codec giving you raw image quality without the giant file sizes. BM Raw has more compression options (5:1, 8:1, 12:1, etc), but Canon's is a fixed compression that works out to be around 4:1 or so. So, file sizes are still big, but not nearly as big as straight raw. Adding this would probably double or triple your record times in 8k on the R5, which would be very welcome.
they should fix to an appropriate state. I'm not expecting hours of continuous recording but decent enough. I'm only interested with 4kHQ.
the 4KHQ record times now is inconsistent and unpredictable... simply useless.