Steelsring released firmware updates for its Nikon, Contax, and EF autofocus adapters, which add GFX100S support and more. 2021/04/15 EF/GFX v3.02 firmware is available now, improved support to GFX 100S  and bug fixes, please visit here to download it. 1) Improve support to GFX 100s camera 2) Turn on 35mm auto clip mode,(Mutually exclusive with focus bracketing, … Continue reading Steelsring Nikon, Contax, and EF to GFX Firmware Updates Add GFX100S Support