Canon Firmware

Firmware: Canon Cinema EOS C70 v1.0.2.1 and Mount Adapter EF-EOS R 0.71x v1.3.0

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Canon has released new firmware for the Canon Cinema EOS C70 and the EF-EOS 0.71x adapter. This new firmware adds mount adapter compatibilities to a bunch of EF lenses.

You will need to download both the firmware update for the Canon Cinema EOS C70 as well as the new firmware for the Mount Adapter EF-EOS R 0.71x.

Firmware Version incorporates the following fix and enhancements:

  1. Adds [EOS Standard] and [EOS Neutral] to the Custom Picture Presets.
  2. Adds EF lenses compatible with EF-EOS R 0.71x Mount Adapter.*1
  • CN-E14mm T3.1 L F
  • CN-E20mm T1.5 L F
  • CN-E24mm T1.5 L F
  • CN-E35mm T1.5 L F
  • CN-E50mm T1.3 L F
  • CN-E85mm T1.3 L F
  • CN-E135mm T2.2 L F
  • EF14mm f/2.8L II USM
  • EF24mm f/1.4L II USM
  • EF35mm f/1.4L II USM
  • EF50mm f/1.2L USM
  • EF85mm f/1.2L II USM
  • EF135mm f/2L USM
    *1 It is also necessary to update the firmware of EF-EOS R 0.71x.

Download firmware v1.0.2.1 for the Canon Cinema EOS C70

Download firmware v1.3.0 for the Mount Adapter EF-EOS R 0.71x


EF 800L
May 29, 2019
It would be nice if they added those features to the R5 as it works very well in APS-c video mode.