Canon EOS R3: Information Update and More Specs (June 2021) New information about the upcoming full body mirrorless camera

Earlier this week Canon added a few new pieces of information about its upcoming high-end EOS R3 camera that should be available later this year.

What we already know about the EOS R3?

Here are the main points we published back in April about the R3 as previously discussed by Canon:

  • The R3 will have a Stacked CMOS sensor (first for Canon and similar to the Sony A9/A1), that will be made by Canon.
  • The R3 will be able to reach a shooting speed of 30 fps with AF.
  • The R3 will be able to AF on more types of targets (currently people and animals for the most part).
  • The R3 will see the return of the Eye Control AF that existed over 20 years ago in the R3 (where the photographer can use his eye to choose the AF point).

The R3 from the front – full body mirrorless camera

What new information we have on the R3?

The announcement by Canon this week is still not a full one, that will have to wait for sometime later this year as the camera is still being tested and developed but it does give us a more understanding of the capabilities of this advanced model which will sit above the current R5 camera.

  • The R3 stacked CMOS sensor will allow using flash with an electronic shutter (similar to the Sony A1).
  • The R3 will have a new accessory shoe with bi-directional communication and power (similar to the one Sony has with the ability to support mics and other accessories without the need for extra cables for operation).
  • A new motorbike tracking AF mode.
  • Focus sensitivity up to -7 EV.
  • 4 different types of AF control: touch screen (fully articulated), joystick, touch button (AF-On), and the new eye following focus.
  • 30Wh LP-E19 battery (like the one in the 1D-X series) which will be almost twice the capacity of the EOS R5 battery.
  • 4K recording from oversampled 4K footage.
  • Support for Canon LOG 3.
  • Internal RAW video recording.

Articulated screen and a touch button (AF-On) with oversized viewfinder with eye-tracking mode

More videos and analysis from around the web

There have been several videos about this recent announcement and we are bringing you 3 of them here. Above you can watch our colleagues and friends Chris and Jordan from DPR talking about the specs and what they mean in their usual hilarious way.

Below you can watch ProAV TV on the same topic

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Finally, Gordon Laing had a chance to look at (but not touch) a prototype of the R3 in the “wild”

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If you don’t want to miss any new photography product be sure to check out our product photography section.


Iddo Genuth
Iddo Genuth is the founder and chief editor of He has been a technology reporter working for international publications since the late 1990's and covering photography since 2009. Iddo is also a co-founder of a production company specializing in commercial food and product visual content.

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