Fotodiox Pro Lens Mount Adapter with Aperture Control Ring - Kodak Retina Rangefinder and Retina Reflex Lenses (Retina Reflex S, II, IV, Instamatic Reflex, and Retina IIIS) to Fujifilm X-Series; fits X-Mount Camera Bodies such as X-Pro1, X-E1, X-M1, X-A1