Release notes archive for EF-GFX / C645-GFX

FIRMWARE HISTORY (archive) for EF-FG (GFX) Smart Adapter^TM / Smart Expander 1.28x and C645-FG Smart Adapter^TM

Name: Firmware update V1.60 (#1763) for EF-FG T Smart Expander 1.26x/ Smart Adapter^TM
Release date: 21 Feb 2025
Benefits and improvements:
- Improvement to EF-GFX Smart Adapter's own change crop mode feature which remembers the setting for each individual lens
- Improved AF accuracy
- Add support for Canon CN10x25 CINE-SERVO lens (25-250mm with built-in teleconverter). Please be advised that an external DC power source must be connected to the lens. Please turn off the camera before engaging or disengaging the built-in 1.5x teleconverter. MOVIE SETTING > MOVIE OPTIMIZED CONTROL must be OFF to permit manual iris operation.
- Fixed an issue where the camera sometimes hangs when the AF-ON button is depressed in movie mode.

Name: Firmware update V1.50 (#1219) for EF-FG T Smart Expander 1.26x/ Smart Adapter^TM
Release date: 7 July 2023
Benefits and improvements:
- Fixed a rare issue where autofocus may be disabled
- Fixed compatibility issue with Sigma 50/1.4 Art

Name: Firmware update V1.40 (#991) for EF-FG T Smart Expander 1.26x/ Smart Adapter^TM
Release date: 10 February 2023
Benefits and improvements:
- Fixed regression defect where a thud noise may be heard when camera is shutdown while an image stabilization lens is attached.
- Improved AF-S autofocus performance.
- Improved AF accuracy.

Name: Firmware update V1.30 (#818) for EF-FG T Smart Expander 1.26x/ Smart Adapter^TM
Release date: 11 November 2022
Benefits and improvements:
- Fixed optical image stabilization (IS, OS or VC) of the lens interfering with and cancelling out the camera's in-body image stabilization (IBIS).
- If OIS of the lens is OFF, there is now the option to use IBIS of the camera body or to turn off all forms of image stabilization by pressing the push button on the Smart Expander or Smart Adapter. The camera's LCD's hand icon indicates IBIS status.

Name: Firmware update V1.20 (#471) for EF-FG T Smart Expander 1.26x/ Smart Adapter^TM
Release date: 15 August 2021
Benefits and improvements:
- Fixed overexposure issue with some Canon TS-E lenses.

Name: Firmware update V1.10 for EF-FG T Smart Expander 1.26x/ Smart Adapter^TM
Release date: 11 March 2021
Benefits and improvements:
- Fixed compatibility issue with Laowa 100mm f/2.8 Micro.
- All lens corrections are turned off completely now.