Fringer C645-GFX II AF Lens Adapter for Contax 645 Lens to Fuji GFX 100S 50S 50R
Contrast AF is supported on GFX50S/50R/50S II. - IBIS is supported on GFX100/100S/50S II. - Phase detection AF is supported on GFX100/100S. In any cases that you don't want AF, MF is also available.