EOS C400 Firmware Update version 1.0.4.1

Thank you for using Canon products.

Changes:
Firmware Version 1.0.4.1 incorporates the following enhancements:

1. Adds [Full Frame 3:2] to the sensor mode.
The following formats can be recorded to CFexpress card:
 - Main video recording
 - RAW
 - 6000x4000
 - 29.97P/23.98P/25.00P/24.00P

The following formats can be recorded to SD card:
 - Proxy Recording
 - XF-AVC S/XF-HEVC S format
 - 1920×1280
 - 29.97P/23.98P/25.00P/24.00P

2. It is now possible to change the LUT applied during playback.

3. Optimizes Focus peaking to reduce interference from noise at high sensitivity settings.

4. Adds the assignable buttons settings menu function:
 - Tele-converter [Tele-converter x1.5 / Tele-converter x2.0 / Tele-converter x2.5 / Tele- converter x3.0]
 - Subject to Detect [People / Animals]
 - AF Frame [Small Zone / Zone / Large Zone: Vert / Large Zone: Hori]
 - Frame.io upload

5. Improves the responsiveness of Joystick-driven AF Frame movement, with faster initial reaction time.

6. Adds compatibility with the "CINE-SERVO" cinema lenses "CN5x11 IAS T/R1" (RF mount) and "CN5x11 IAS T/P1" (PL mount).
 - Metadata (Focal Length, T number, lens model name)
 - Displaying T number.

The "CN5×11 IAS T/R1" (RF mount) also supports the following functions:
 - Canon Virtual Production System Compatibility
 - Periph. Illum. Corr.
 - Chromatic Aberr. Corr.
 - Distortion Aberr. Corr.
 - Dual Pixel CMOS AutoFocus Compatibility
 - [Focus Guide] Compatibility
 - Supports Decimal Point Display of Focal Length

7. Adds a communication setting menu, making it now possible to select OpenLensIO-Equiv. Model.

8. When registering a Look File, it is now possible to refer to the description in the Look File and reflect it in the Custom Picture settings.

9. Improves operational stability.

For details, please refer to the user manual (latest version) for this product.

Caution:
 - Please use an SD/SDHC/SDXC memory card that is 512MB or greater to perform the firmware update.
 - Firmware version 1.0.4.1 is for updating cameras running firmware version 1.0.0.1 - 1.0.3.1. If your camera's firmware is already version 1.0.4.1, it is not necessary to update the firmware. Once the camera is updated to the latest version, it cannot be restored to a previous version.
 - Please refrain from loading menu settings generated using the most recent firmware version to a product running an old firmware version, as doing so may affect camera operations.
 - When using [Full Frame 3:2] for the first time, be sure to perform the black balance adjustment.

Further information:
• EOS C400 Firmware Download Link