Which lens mount is this?

Recognition points

• Breech-lock mount (Altix). [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• 38 mm screw thread, used on the post-war Argus Model 21. [1]
• Not the same mount as the later C lenses (C3: 33 mm). [2]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Robert Allen Kautz Photography

Recognition points

• 33 mm screw thread, used on the Argus C3. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

• Bayonet. [1]
• Zenzanon-E / PE lenses with a built-in leaf shutter. [2]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Wikipedia: Zenza Bronica

Recognition points

• Bayonet. [1]
• Zenzanon-PG lenses with an electronically timed leaf shutter in the lens. [2]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Wikipedia: Zenza Bronica

Recognition points

• Combination of a bayonet and a 57×1 mm screw thread. [1]
• Most lenses ("Small"): small inner bayonet, focusing via the helicoid on the body; "Large": large outer bayonet with its own helicoid. [2]
• Mostly Nikkor lenses (also Zeiss, Topcon and others). [2]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Wikipedia: Zenza Bronica

Recognition points

• Bayonet; every lens has its own leaf shutter. [1]
• Lenses are called Zenzanon-S / PS. [2]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Wikipedia: Zenza Bronica

Recognition points

• Raised round red dot on all EF lenses. [1]
• Electrical contacts only, no mechanical levers or pins. [1]
• The bayonet sits on the lens (the reverse of FD). [1]

Sources: [1] Wikipedia: Canon EF lens mount

Recognition points

• Mirrorless APS-C mount (from 2012), flange 18 mm. [1]

Sources: [1] Wikipedia: Flange focal distance

Recognition points

• EF family: electrical contacts only, no mechanical levers. [1]
• Flange 44 mm, for APS-C bodies (from 2003). [2]

Sources: [1] Wikipedia: Canon EF lens mount · [2] Wikipedia: Flange focal distance

Recognition points

• No silver locking ring: square release button, the whole lens rotates when mounting. [1]
• Line up the dots on lens and body, then turn until it clicks. [1]
• Aperture ring with a green "A" (automatic exposure). [1]

Sources: [1] Wikipedia: Canon FD lens mount

Recognition points

• Breech-lock: silver locking ring, looks very similar to FD. [1]
• On FD bodies, metering works only stopped down. [1]

Sources: [1] Wikipedia: Canon FD lens mount

Recognition points

• 12 electrical contacts. [1]
• Inner diameter 54 mm (same as EF), flange 20 mm. [1]

Sources: [1] Wikipedia: Canon RF lens mount

Recognition points

• Most Canon rangefinders use the Leica screw thread (M39×26 tpi). [1]
• Only the earliest Canons had the "J-mount" M39×24 tpi. [2]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Wikipedia: M39 lens mount

Recognition points

• Bayonet of the Canon EX1/EX2 VL camcorders. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

• On FD bodies, usable only with manual aperture. [1]
• Canon R/FL/FD: same 48 mm throat, breech-lock or bayonet. [2]

Sources: [1] Wikipedia: Canon FD lens mount · [2] Cornell: Alphabetical List of Camera Mounts

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

• Aaton PL-40: breech-lock, flange 40 mm. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Arriflex bayonet, flange 52 mm. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Large format PL (2018, Alexa LF), flange 44 mm. [1]

Sources: [1] Wikipedia: Flange focal distance

Recognition points

• Breech-lock, 64 mm throat, flange 52 mm. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Bayonet for 2/3" broadcast cameras (3-CCD). [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Mitchell BNCR: breech-lock. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Bolex mount (breech), different flange from C-mount. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• 1" × 32 tpi screw thread. [1]
• CS-mount: same thread but a 12.526 mm flange. [1]

Sources: [1] Wikipedia: C mount

Recognition points

• 0.625" × 32 tpi screw thread, mainly on 8 mm film cameras. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Bayonet, 46 mm throat. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

• Bayonet; lenses have NO aperture ring, the aperture is set on the body. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Medium format 6×4.5 (from 1999), flange 64 mm. [1]

Sources: [1] Wikipedia: Flange focal distance

Recognition points

• Breech-lock design with an electromechanical AF coupling ("screwdriver"). [1]
• Lenses have NO focus ring. [1]
• G1: 5 contacts; the 35 to 70 mm requires 7 contacts. [1]

Sources: [1] Wikipedia: Contax G

Recognition points

• Bayonet for the Kyocera Contax N autofocus SLRs (55 mm throat). [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Double bayonet (inner + outer). [1]
• Most lenses fit the inner bayonet and have no focusing of their own (focusing is done by the camera). [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Bayonet that looks very similar to Pentax K. [1]
• Zeiss MM (from 1984): smallest apertures in green; AE (older): numbers in white. [2]
• Yashica ML/MC (multicoated) and DSB (single coated) use the same mount. [2]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Wikipedia: Contax

Recognition points

• Breech-lock; the aperture ring is on the camera, not on the lens. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Breech-lock (Carl Zeiss Jena), flange 54 mm. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Bayonet with a 38 mm throat. [1]
• Automatic lenses have a button on a protruding arm that sits over the camera's shutter release (front left). [2]
• Same bayonet as Topcon RE, but a different aperture coupling. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Wikipedia: Exakta

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

• Breech-lock bayonet; black painted bayonet on the G690BL. [1]
• Every lens has its own Seiko #0 leaf shutter. [1]

Sources: [1] Lallement: Fujica G690

Recognition points

• The lens is fixed to a lens board (no separate mount). [1]
• Electronic Seiko leaf shutter in every lens; focusing with a bellows on the front standard. [1]

Sources: [1] Wikipedia: Fuji GX680

Recognition points

• Medium format mirrorless (GFX, from 2017), flange 26.7 mm. [1]

Sources: [1] Wikipedia: Flange focal distance

Recognition points

• Bayonet for Fujifilm X mirrorless (APS-C, from 2012). [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Fujica X bayonet (35mm film SLR, until 1985), 49 mm throat. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Multi-start screw thread (not a bayonet). [1]
• No shutter in the lens (focal plane shutter in the body). [1]
• Standard lens: Kodak Ektar 80 mm f/2.8. [2]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Wikipedia: Lenses for Hasselblad

Recognition points

• Bayonet. [1]
• Every lens has an electronic leaf shutter. [2]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Wikipedia: Lenses for Hasselblad

Recognition points

• Bayonet; every lens has its own leaf shutter. [1]
• C lenses (1957): Compur shutter, chrome until 1972, black after that; CF (1982): Prontor; F lenses (1978): no shutter. [2]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Wikipedia: Lenses for Hasselblad

Recognition points

• Bayonet, 46 mm throat; same as Fujifilm TX. [1]
• For 24×36 and 24×65 mm panorama. [2]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Wikipedia: Flange focal distance

Recognition points

• Medium format mirrorless (Hasselblad X, from 2017). [1]

Sources: [1] Wikipedia: Flange focal distance

Recognition points

• 40 × 1 mm screw thread (not M42!). [1]

Sources: [1] Pentacon Six System: Praktina

Recognition points

• Breech-lock bayonet. [1]
• From 1956, automatic aperture via an internal lever. [1]

Sources: [1] Pentacon Six System: Praktina

Recognition points

• Bayonet (Kiev 10 / 15 SLR). [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Soviet SLR mount (Start, 1958 to 1964), flange 42 mm. [1]

Sources: [1] Wikipedia: Flange focal distance

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

• Deckel (DKL) bayonet, looks very similar to Voigtländer Bessamatic. [1]
• Retina lenses do not fit Voigtländer bodies directly (different lug shape). [2]
• Lenses by Schneider-Kreuznach and Rodenstock. [2]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Wikipedia: DKL-mount

Recognition points

• Bayonet, 47 mm throat. [1]
• Aperture ring with "EE" (yellow from 1965 to 1967; green from about 1973) or a green "AE" (1974 to 1982). [1]

Sources: [1] Wikipedia: Konica AR-mount

Recognition points

• Bayonet (predecessor of AR; fits AR bodies with an adapter). [1]

Sources: [1] Wikipedia: Konica AR-mount

Recognition points

• 39 mm × 26 tpi screw thread (Whitworth). [1]
• Do not confuse with M39×1 (Soviet / Zenit): a small difference, but it causes problems. [2]
• Zenit SLRs use the same 39 mm thread but a 45.2 mm flange. [1]

Sources: [1] Wikipedia: M39 lens mount · [2] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Bayonet (1954, Leica M3) that replaced the M39 screw thread. [1]
• 44 mm throat. [2]

Sources: [1] Wikipedia: Leica M-mount · [2] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Bayonet with 3 lugs. [1]
• One sloped cam (cam 1) at 12 o'clock. [1]

Sources: [1] Wikipedia: Leica R bayonet

Recognition points

• Two sloped cams (for SL/SL2 metering). [1]

Sources: [1] Wikipedia: Leica R bayonet

Recognition points

• Two sloped cams + a third stepped "R-cam". [1]
• Fits all Leica SLRs. [1]

Sources: [1] Wikipedia: Leica R bayonet

Recognition points

• Older lens with a third, stepped R-cam added. [1]

Sources: [1] Wikipedia: Leica R bayonet

Recognition points

• Stepped R-cam + electrical contacts instead of cam 1. [1]
• On converted lenses the sloped cams are removed → no longer fits a Leicaflex. [1]

Sources: [1] Wikipedia: Leica R bayonet

Recognition points

• Bayonet; lenses with or without a leaf shutter. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• L-Mount bayonet, inner diameter 51.6 mm, flange 20 mm. [1]
• Full frame version of L-Mount; mechanically and electronically compatible with TL. [1]

Sources: [1] Wikiwand: L-Mount

Recognition points

• L-Mount (originally "T-mount", 2014 Leica T), APS-C version. [1]
• TL lens on a full frame body → crop mode. [1]

Sources: [1] Wikiwand: L-Mount

Recognition points

• Visoflex I: M39 screw thread; Visoflex II/III: Leica M bayonet. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Medium format 6×6 rangefinder (1989 to 1995). [1]

Sources: [1] Wikipedia: Flange focal distance

Recognition points

• Bayonet; the shutter is in the body. [1]
• Some "N/L" lenses have their own leaf shutter with a PC sync socket. [1]

Sources: [1] Wikipedia: Mamiya 645

Recognition points

• AF lenses have NO aperture ring. [1]
• AF lenses do not work on manual 645 bodies (the other way round they do). [1]

Sources: [1] Wikipedia: Mamiya 645

Recognition points

• 645 bayonet; manual lenses also work on AF bodies. [1]

Sources: [1] Wikipedia: Mamiya 645

Recognition points

• Bayonet (6×7 rangefinder). [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Bayonet for the Mamiya/Sekor ZE series; electronic successor of the CS mount, only partly compatible. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Mamiya breech-lock bayonet. [1]
• Mechanical leaf shutter in the lens, cocked by the body; cable release socket on the lens. [1]

Sources: [1] Wikipedia: Mamiya RB67

Recognition points

• Mamiya breech-lock bayonet. [1]
• Electronic Seiko #1 leaf shutter in the lens. [1]
• RB lenses (fully mechanical) fit the RZ in "L" mode. [1]

Sources: [1] Wikipedia: Mamiya RZ67

Recognition points

• Upper and lower lens come off together as one unit. [1]
• The lower lens holds the aperture and leaf shutter (Seikosha/Seiko); focusing with a bellows on the body. [1]

Sources: [1] Wikipedia: Mamiya C

Recognition points

• 38 mm screw thread. [1]
• Do not confuse with Leica 39 mm: NOT compatible. [2]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Robert Allen Kautz Photography

Recognition points

• Mechanical aperture arm + screw drive for AF. [1]
• 5 or 8 contacts (8 needed for the "D" distance encoder, SSM and power zoom). [1]
• Wider than SR: 49.7 vs 44.97 mm. [1]

Sources: [1] Wikipedia: Minolta A-mount system

Recognition points

• Same A-mount: 5 or 8 contacts; "D" on the lens = distance encoder. [1]

Sources: [1] Wikipedia: Minolta A-mount system

Recognition points

• Bayonet with 3 lugs. [1]
• MC: coupling cam on the aperture ring; MD: extra tab that passes on the smallest aperture. [1]
• Later MD lenses: lock on the smallest aperture. [1]

Sources: [1] Wikipedia: Minolta SR-mount

Recognition points

• Minolta V bayonet for Vectis APS SLRs and the Dimage RD-3000. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Combination: 4-claw bayonet and a 44×1 mm screw thread. [1]
• The M44 thread dates from the first Miranda (1954). [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Built-in CPU with contacts (5 pins on older screw drive AF). [1]

Sources: [1] Wikipedia: Nikon F-mount

Recognition points

• Bayonet, 40 mm throat (CX format mirrorless, 2011 to 2018). [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Built-in Silent Wave Motor; usually 7 contacts. [1]
• "G" versions have NO aperture ring; "E" = electromagnetic aperture. [1]

Sources: [1] Wikipedia: Nikon F-mount

Recognition points

• Coupling ridge (AI ridge) on the aperture ring. [1]
• Coupling prong with holes; double row of aperture numbers (ADR). [1]

Sources: [1] Wikipedia: Nikon F-mount

Recognition points

• Notch ("lens type signal notch") in the bayonet ring. [1]
• Smallest aperture (usually f/22) in orange. [1]
• Double row of aperture numbers. [1]

Sources: [1] Wikipedia: Nikon F-mount

Recognition points

• Bayonet with 3 lugs; the lens locks anticlockwise (seen from the front). [1]
• Solid coupling prong ("rabbit ears") without holes. [1]
• One row of aperture numbers; no cutout on the aperture ring. [1]

Sources: [1] Wikipedia: Nikon F-mount

Recognition points

• IX-Nikkor AF zooms only for the Pronea APS SLR; not usable on other F bodies (except with mirror lock-up). [1]

Sources: [1] Wikipedia: Nikon F-mount

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

• Dedicated Nikonos mount, waterproof (underwater camera). [1]

Sources: [1] Wikipedia: Nikon F-mount

Recognition points

• 11 electrical contacts. [1]
• Throat about 38 mm (6 mm smaller than Four Thirds). [1]

Sources: [1] Wikipedia: Micro Four Thirds

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

• 9 electrical contacts, flange 38.67 mm. [1]
• Mechanically almost identical to the OM bayonet, but a shorter flange. [2]

Sources: [1] Wikipedia: Micro Four Thirds · [2] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Micro Four Thirds: 11 contacts, throat about 38 mm. [1]

Sources: [1] Wikipedia: Micro Four Thirds

Recognition points

• Bayonet, 46 mm throat. [1]
• Aperture ring at the FRONT of the lens. [2]
• Depth of field preview button on the lens. [2]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Wikipedia: Olympus OM system

Recognition points

• OM-707 AF lenses cannot be focused by hand. [1]

Sources: [1] Wikipedia: Olympus OM system

Recognition points

• Bayonet for the Pen F half frame SLR. [1]
• F.Zuiko Auto-S / Auto-T lenses. [2]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Wikipedia: Olympus Pen F

Recognition points

• Breech-lock bayonet. [1]
• Same mount as Exakta 66 and Kiev 60 (60 mm throat). [2]

Sources: [1] Wikipedia: Pentacon Six · [2] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Breech-lock (Carl Zeiss Jena). [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Bayonet: releases with the release button after just under a quarter turn (M42 takes several turns). [1]
• Pentacon's own design, not compatible with other mounts; lenses are called Prakticar. [1]

Sources: [1] Wikipedia: Praktica

Recognition points

• 37 × 1 mm screw thread (Asahiflex, 1952 to 1957). [1]

Sources: [1] Wikipedia: Flange focal distance

Recognition points

• 42 × 1 mm screw thread. [1]
• Do not confuse with T-mount (42 × 0.75 mm). [1]
• Fujica and Olympus FTL lenses have a protruding tab and do not screw in fully on regular M42 bodies. [1]

Sources: [1] Wikipedia: M42 lens mount

Recognition points

• Pin in the mount that closes the aperture when the body presses it. [1]
• Often an A/M switch for working stopped down. [1]
• SMC Takumar: extra lever for open aperture metering. [1]

Sources: [1] Wikipedia: M42 lens mount

Recognition points

• Bayonet for the Pentax Auto 110 (13×17 mm film). [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Bayonet, 61.2 mm throat. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

• Bayonet, 72 mm throat. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Bayonet with 3 lugs, turn about 70°. [1]
• No electrical contacts; mechanical couplings only. [1]

Sources: [1] Wikipedia: Pentax K-mount

Recognition points

• 6+1 contacts and a small AF drive shaft (screw drive). [1]
• "A" setting on the aperture ring (inherited from KA). [1]

Sources: [1] Wikipedia: Pentax K-mount

Recognition points

• Like KAF, plus 2 extra power contacts in the bayonet ring (power zoom). [1]

Sources: [1] Wikipedia: Pentax K-mount

Recognition points

• Like KAF2, but WITHOUT the AF drive shaft (SDM/DC motor in the lens). [1]

Sources: [1] Wikipedia: Pentax K-mount

Recognition points

• Bayonet, flange only 9.2 mm (mirrorless, 2011 to 2019). [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Bayonet, 43 mm throat. [1]
• Petri also used M42. [2]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Robert Allen Kautz Photography

Recognition points

• Bayonet. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• 40.5 × 0.75 mm screw thread. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Breech mount, exclusive to the Ricoh 999 rangefinder (also sold as Anscomark M). [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• M26 × 0.5 screw thread: all Robot models except the Royal. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Bayonet: only on Robot Royal models. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

• Quick Bayonet Mount (QBM). [1]
• From 1974 (SL350) an extra mechanical metering coupling; early SL35 lenses lack it. [1]
• Also used by Voigtländer VSL 2/3, Rollei SL2000F and 3003. [1]

Sources: [1] Wikipedia: Rolleiflex SL35

Recognition points

• Bayonet, flange 102.8 mm. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Bayonet, flange 74 mm. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Bayonet (APS-C mirrorless, 2010 to 2015). [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Flange only 6.95 mm; 1" sensor (2014 and 2015). [1]

Sources: [1] Wikipedia: Flange focal distance

Recognition points

• Inner bayonet that looks like Pentax K, but is NOT compatible. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Identical to the Minolta AF mount. [1]
• 5 or 8 contacts; screw drive for AF. [2]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Wikipedia: Minolta A-mount system

Recognition points

• Bayonet, inner diameter 46.1 mm, flange 18 mm. [1]

Sources: [1] Wikipedia: Sony E-mount

Recognition points

• Same E bayonet; FE = full frame lenses. [1]

Sources: [1] Wikipedia: Flange focal distance

Recognition points

• Exakta bayonet; automatic lenses with a button on an arm above the shutter release. [1]
• Topcon used the same bayonet as Exakta. [1]

Sources: [1] Wikipedia: Exakta

Recognition points

• Same bayonet as Exakta, but a different automatic aperture mechanism. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

• Bayonet for cameras with a leaf shutter behind the lens. [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

• T-mount base with an automatic aperture coupling. [1]

Sources: [1] Wikipedia: T-mount

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

• 42 × 0.75 mm screw thread (NOT M42 × 1). [1]
• Purely mechanical, no automatic aperture. [1]
• T-2 (Soligor): two rings with 3 small screws, body part rotatable. [1]

Sources: [1] Wikipedia: T-mount

Recognition points

• Interchangeable mount with a ratchet collar and a white alignment arrow; set the aperture to f/5.6 to swap. [1]

Sources: [1] MFlenses: T4 and TX mounts compared

Recognition points

• Adaptall (1973) / Adaptall-2 (1979 to 2006): same lens side, flange 50.7 mm. [1]
• Adaptall-2 adapter: positioning pin at the top, signal lever on the left, pin at about 7 o'clock, aperture lever at the bottom. [1]

Sources: [1] Flynn Graphics: Tamron Adaptall

Recognition points

• Adapt-A-Matic (1969 to 1973), not interchangeable with Adaptall adapters. [1]

Sources: [1] Flynn Graphics: Tamron Adaptall

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

• Stamped "TX"; extra couplings for open aperture metering. [1]
• Same release as T4 (press the tab, turn the collar). [1]

Sources: [1] MFlenses: T4 and TX mounts compared

Recognition points

• The leaf shutter sits behind the lens → the whole lens can come off. [1]
• Deckel (DKL) bayonet; makers changed the lug shapes so lenses from other DKL systems do not fit. [2]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Wikipedia: DKL-mount

Recognition points

• Deckel variant with the aperture ring in the lens (not in the body). [1]
• First DKL bayonet (1956); compatible with the Braun Colorette Super II. [2]

Sources: [1] Cornell: Alphabetical List of Camera Mounts · [2] Wikipedia: DKL-mount

Recognition points

• Oriented slightly differently from the Praktica standard. [1]

Sources: [1] Robert Allen Kautz Photography

Recognition points

• Same modified M42 as the other Edixa variant. [1]

Sources: [1] Robert Allen Kautz Photography

Recognition points

No verified recognition points yet. Use the photo and the measurements.

Recognition points

• Bayonet, 47 mm throat; older than the M42 Yashicas (1962). [1]

Sources: [1] Cornell: Alphabetical List of Camera Mounts