Support all Contax 645 lenses on GFX50s with electronic aperture control, auto focus and EXIF info correctly recorded. AF performance is not as good as native GF lenses! Please download and read the user's manual before placing an order. The C645-GFX adapter is compatible with all C645 lenses. Lenses with better AF performance Distagon T* 3,5/35 Distagon T* 2,8/45 Distagon T* 3,5/55 Planar T* 2/80 …