Compatible with PENTAX 6X7 67 67II and other PENTAX P67 mount lenses | Adapt to GFX 50R GFX 50S 50SII GFX100 GFX100S body | Only Manual Model will be Available | Made of Alum or Brass,Durable,High Quality,three-level hardened surface treatment,non-slip,non-stick,easy to clean,With Perfect Surface Finishing and Super Precise Design. Precise fit and solid connection; lens has no play, gap or wiggling when mounted on adapter and no adjustments required. | Use Mankiewicz professional matting paint to improve the sharpness and clarity of the picture.Collimator to professionally detect infinity equipment to ensure accurate infinity focus.