Mamiya RB

An adapter can add distance between lens and film, never remove it. These mounts sit closer to the film than Mamiya RB, 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.

• Mamiya RZ 105 mm
• Rollei SL66 102.8 mm
• Zenza Bronica S/S2/EC mount 101.7 mm
• Zenza Bronica SQ 85 mm
• Zenza Bronica GS 85 mm
• Pentax 6×7 84.95 mm
• Hasselblad 1600F/1000F thread mount 82.1 mm
• Salyut / Kiev-88 mount 82.1 mm
• Primarflex mount 82 mm
• Kowa Six/Super 66 79 mm
• Reflex-Korelle M40.5×0.75 screw mount 77.5 mm
• Hasselblad V-mount 74.9 mm
• Pentacon Six 74.1 mm
• Rolleiflex SLX / 6000 / Hy6 bayonet 74 mm
• Pentax 645 70.87 mm
• Zenza Bronica ETR 69 mm
• Contax 645 64 mm
• Mamiya 645 63.3 mm
• Novoflex A-mount (follow-focus adapter) 63.3 mm
• Ricoh 126C-Flex 62.22 mm
• Hasselblad H-mount 61.63 mm
• 1KSR-2M 61 mm
• OCT-19 61 mm
• Mamiya Press breech-lock 60.1 mm
• Mamiya 7 59 mm
• Panavision PV-mount 57.15 mm
• 1KSR-1M 57 mm
• Vivitar TX 56.25 mm
• Mamiya 6 56.2 mm
• Topcon UV bayonet 55 mm
• Mini T-mount (M37×0.75) 55 mm
• T-mount (T2, M42×0.75) 55 mm
• Sigma YS mount (M42×0.75 preset) 55 mm
• Pentina bayonet 54.95 mm
• Werra bayonet (Carl Zeiss Jena) 54 mm
• Leica S-mount 53 mm
• Arri Standard 52 mm
• 16-SP 52 mm
• Arri B 52 mm
• Arri PL 52 mm
• Tamron Adaptall 50.7 mm
• Praktina breech-lock bayonet 50 mm
• Contax N mount 48 mm
• Icarex bayonet (BM) 48 mm
• B4-mount 48 mm
• KMZ Zenit DKL-mount 47.58 mm
• Leica R-mount 47 mm
• Nikon F-mount 46.5 mm
• Olympus OM-mount 46 mm
• Contarex bayonet 46 mm
• Yashica MA-mount 45.8 mm
• Voigtländer Bessamatic DKL-mount 45.7 mm
• Braun Paxette Reflex DKL-mount 45.7 mm
• Kodak Retina DKL-mount 45.7 mm
• Voigtländer Vitessa T DKL-mount 45.7 mm
• Mamiya Z (ZE) bayonet 45.5 mm
• Contax C/Y-mount 45.5 mm
• Pentax K-mount 45.46 mm
• M42 screw mount (M42×1) 45.46 mm
• M39×1 Zenit SLR thread 45.2 mm
• Exakta bayonet 44.7 mm
• Minolta / Sony A-mount 44.5 mm
• Rollei QBM 44.5 mm
• Samsung Kenox mount 44.5 mm
• Argus C44 bayonet 44.45 mm
• Praktica B-mount 44.4 mm
• Kiev Automat bayonet (Kiev-10/15) 44 mm
• Arri LPL 44 mm
• Pentaflex (16 mm cameras) 44 mm
• Praktiflex M40×1 screw mount 44 mm
• Canon EF-S mount 44 mm
• Canon EF mount 44 mm
• Sigma SA-mount 44 mm
• Fujica X-mount 43.5 mm
• Petri Bayonet 43.5 mm
• Minolta SR-mount 43.5 mm
• Rectaflex bayonet 43.4 mm
• Yashica Pentamatic bayonet 43 mm
• Altix-n bayonet 42.5 mm
• Wrayflex M41.2 screw mount 42.05 mm
• Canon FL mount 42 mm
• Canon FD mount 42 mm
• Start bayonet (KMZ Start) 42 mm
• Canon R mount (Canonflex, Super-Canomatic) 42 mm
• Argus C3 33 mm screw mount 41.9 mm
• Miranda bayonet / M44 screw 41.5 mm
• Agfa Ambi Silette bayonet 41.3 mm
• Konica AR-mount 40.5 mm
• Konica F-mount (Bayonet Mount I) 40.5 mm
• Aaton mount 40 mm
• Nikonos 39 mm
• Four Thirds 38.67 mm
• Panavision SP70-mount 38 mm
• Sony 1/2" TV bayonet mount 38 mm
• Alpa 35mm bayonet 37.8 mm
• Minolta V-mount 36 mm
• 1/2" TV bayonet mount 35.74 mm
• Contax rangefinder mount (Contax/Kiev) 34.85 mm
• Nikon S-mount 34.85 mm
• Hasselblad XPan 34.27 mm
• Kiev-16U 31 mm
• Robot M26×0.5 screw mount 31 mm
• Contax G-mount 29 mm
• Olympus Pen F bayonet (half-frame) 28.95 mm
• Leica thread mount (M39×26 tpi, LTM) 28.8 mm
• Narciss M24×1 screw mount 28.8 mm
• Meopta Opema 38 mm screw 28.8 mm
• 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
• Canon EF-M mount 18 mm
• Sony E-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