Canon announced the CINEMA EOS series camera firmware upgrade plan, involving the R5 C, C70 and C500 Mark Ⅱ / C300 Mark Ⅱ. Canon said that it hopes to further enhance the performance and application advantages of the above-mentioned cameras through this firmware upgrade.
Canon’s official microblog that the main contents of the R5C series camera firmware update are as follows:
- Multiple RF servo-electric lenses with EF-EOS R071x when matching support updates.
- Complementary and EOS R5 firmware differences, in addition to photography and anti-shake-related content.
- Support for switching between left and right frames when zooming in when shooting VR video.
- Support for zooming in when recording 8K MP4 formats (2x).
- Shortening the speed of switching between video/photo modes.
- new power saving mode.
- Improved clear scanning resolution (improved flicker).
- New digital telephoto additional lens function (1.5x / 2x / 2.5x / 3x).
- Support for changing waveform/vector oscilloscope size (normal/2x) and transparency.
- SDI-Out port function expansion.
- Enhanced AF autofocus performance.
- Addition of custom image settings (Canon 709).
- new G gain adjustment option for white balance.
- addition of the option to switch focus objects via the body dial or lens control ring.
- Addition of 4CH display support for audio meters.

Note that the firmware update will be rolled out first to the R5 C starting in mid-June, followed by the C70, C500 Mark Ⅱ and C300 Mark Ⅱ in early July.