Contax 645-GFX smart adapter
Electronic aperture control
Using aperture ring of the lens or command dial on the body to control the aperture.
Except the MF lens 120/4, all Contax 645 lenses as well as the Mutar 1.4x are suppored to AF on GFX50s.
In any cases that you don't want AF, MF is also available.
Correctly record EXIF information
Compatible with all Contax 645 lenses
Including 35/3.5, 45/2.8, 55/3.5, 80/2, 120/4, 140/2.8, 210/4, 350/4, 45-90/4.5 and Mutar 1.4x
Well designed and made
Designed for 44 x 33 frame. Unlike 135 lenses, no vignetting issues!
Built-in tripod mount without additional cost. (Read this please)
Flocking inside minimized the internal reflection.
Full metal body, copper (front & back) mount, durable design
Field upgradable (through built-in micro USB port).
Contax 645 lenses compatible list
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
Sonnar T* 2,8/140
Sonnar T* 4/210
Tele-Apotessar T* 4/350
Vario-Sonnar T* 4,5/45-90
Lenses with degraded AF performance
Sonnar T* 2,8/140 + Mutar 1,4x T*
Sonnar T* 4/210 + Mutar 1,4x T*
Tele-Apotessar T* 4/350 + Mutar 1,4x T*
MF only lens
Apo-Makro-Planar T* 4/120