topic Re: Firmware Feature Request: Manual ISO Control in Av/Tv Video Modes in EOS DSLR & Mirrorless Cameras

Firmware Feature Request: Manual ISO Control in Av/Tv Video Modes

horiagh — Thu, 24 Sep 2026 12:08:39 GMT

Dear Canon Support & Product Development Team,
I am writing to submit a feature request regarding the video recording functionality on Canon #R6V #R6iii cameras.
Currently, when recording video in Av (Aperture Priority) or Tv (Shutter Priority) modes, the ISO setting is automatically locked to Auto ISO, without the option to select a fixed/manual ISO value.
For camera operators, videographers, and content creators, this limitation severely restricts creative control over exposure and noise levels. While Manual (M) mode is available, having the flexibility to lock a specific ISO value while allowing the camera to adjust only the aperture or shutter speed automatically is a crucial tool in dynamic lighting environments.
This is a feature that a vast part of the Canon video community strongly requests. We kindly ask Canon to consider releasing a firmware update that unlocks Manual ISO selection in Av and Tv video modes.
Thank you for taking customer feedback into consideration and for your continuous support of creative professionals.
Best regards,

Horia Ghimpa

Re: Firmware Feature Request: Manual ISO Control in Av/Tv Video Modes

shadowsports — Thu, 24 Sep 2026 13:46:58 GMT

Greetings ,

To make feature requests or to leave product feedback, please visit the Canon USA homepage and click on the ]+]Feedback link. Then select product. Depending on your browser, the link will be in the top right hand corner or bottom left hand corner of the homepage. This ensures your request makes it to the appropriate team for consideration.

Re: Firmware Feature Request: Manual ISO Control in Av/Tv Video Modes

stevet1 — Thu, 24 Sep 2026 14:50:12 GMT

horiagh,

Just so you know, this site is made up of regular users, just like you. You might contact Canon Support or submit a Feature Request as Rick suggested.

Just as an aside, I have a T8i, and my camera behaves the same way. If you shoot video in Av or Tv modes, the ISO is automatic. You cannot manually set it.

Steve Thomas

Re: Firmware Feature Request: Manual ISO Control in Av/Tv Video Modes

kvbarkley — Thu, 24 Sep 2026 15:05:51 GMT

Have you tried FV mode? That might do what you want, since you can lock or modify any setting.

(oops, does not look like Fv is available in video modes)

Re: Firmware Feature Request: Manual ISO Control in Av/Tv Video Modes

Waddizzle — Thu, 24 Sep 2026 16:07:20 GMT

“ Have you tried FV mode? “

I don’t think this camera has it.

Re: Firmware Feature Request: Manual ISO Control in Av/Tv Video Modes

kvbarkley — Thu, 24 Sep 2026 16:59:54 GMT

TheR6 Mk III does, but only for still photos, not video.