Meopta Opema 38 mm screw

An adapter can add distance between lens and film, never remove it. These mounts sit closer to the film than Meopta Opema 38 mm screw, so its lenses can in principle be adapted onto them and still reach infinity. Mounts with no recorded flange distance are left out rather than guessed at.

• Leica M-mount 27.8 mm
• Chaika M39 half-frame thread (27.5 mm) 27.5 mm
• RED ONE interchangeable mount 27.3 mm
• Pentax 110 27 mm
• Fujifilm G-mount 26.7 mm
• Samsung NX-mount 25.5 mm
• JVC 1/3" bayonet mount 25 mm
• Canon RF mount 20 mm
• L-Mount 20 mm
• Micro Four Thirds 19.25 mm
• Sony FZ-mount 19 mm
• Hasselblad XCD mount 18.14 mm
• Sony E-mount 18 mm
• Canon EF-M mount 18 mm
• Fujifilm X-mount 17.7 mm
• C-mount 17.53 mm
• Nikon 1-mount 17 mm
• DJI DL-mount 16.84 mm
• Nikon Z-mount 16 mm
• CS-mount 12.53 mm
• D-mount 12.29 mm
• M58×0.75 mm mount 12 mm
• Pentax Q-mount 9.2 mm
• Samsung NX-M (NX mini) 6.95 mm