Techart EF-FG01 Auto Focus AF Adapter For EF Mount Lens to Fuji GFX 100S 50S Cam
This has nothing to do with our adapter. You may refer to this Sigma lenses on Fujifilm GFX guide prepared by Jeffrey Poon for more information. TECHART EF-GFX Adapter Autofocus Test. Initialization of Techart EF-GFX adapter.