Leica M-mount
E785557
The Leica M-mount is a bayonet-style lens mount system introduced by Leica in the 1950s, renowned for its compact, high-precision rangefinder lenses and enduring use in Leica’s M-series cameras.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Leica M-mount canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9214928 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Leica M-mount Context triple: [Leica rangefinder camera, lensMount, Leica M-mount]
-
A.
L-Mount Alliance systems
L-Mount Alliance systems are a family of mirrorless camera and lens ecosystems jointly developed by Leica, Panasonic, and Sigma around the shared L-mount standard.
-
B.
Fujifilm X-mount
Fujifilm X-mount is Fujifilm’s interchangeable lens mount system designed for its APS-C mirrorless digital cameras, supporting a wide range of XF and XC lenses.
-
C.
Canon EF-M lens mount
The Canon EF-M lens mount is a compact, mirrorless camera lens interface designed by Canon for its EOS M series cameras, supporting lightweight, interchangeable lenses optimized for smaller bodies.
-
D.
Sony A-mount
Sony A-mount is a lens mount system originally developed by Minolta and later adopted by Sony for its DSLR and SLT cameras, supporting a wide range of autofocus A-mount lenses.
-
E.
Sony E-mount
Sony E-mount is a lens mount system developed by Sony for its mirrorless interchangeable-lens cameras and camcorders, known for its short flange distance and wide compatibility with various lenses.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Leica M-mount Target entity description: The Leica M-mount is a bayonet-style lens mount system introduced by Leica in the 1950s, renowned for its compact, high-precision rangefinder lenses and enduring use in Leica’s M-series cameras.
-
A.
L-Mount Alliance systems
L-Mount Alliance systems are a family of mirrorless camera and lens ecosystems jointly developed by Leica, Panasonic, and Sigma around the shared L-mount standard.
-
B.
Fujifilm X-mount
Fujifilm X-mount is Fujifilm’s interchangeable lens mount system designed for its APS-C mirrorless digital cameras, supporting a wide range of XF and XC lenses.
-
C.
Canon EF-M lens mount
The Canon EF-M lens mount is a compact, mirrorless camera lens interface designed by Canon for its EOS M series cameras, supporting lightweight, interchangeable lenses optimized for smaller bodies.
-
D.
Sony A-mount
Sony A-mount is a lens mount system originally developed by Minolta and later adopted by Sony for its DSLR and SLT cameras, supporting a wide range of autofocus A-mount lenses.
-
E.
Sony E-mount
Sony E-mount is a lens mount system developed by Sony for its mirrorless interchangeable-lens cameras and camcorders, known for its short flange distance and wide compatibility with various lenses.
- F. None of above. chosen
Statements (61)
| Predicate | Object |
|---|---|
| instanceOf |
bayonet lens mount
ⓘ
lens mount ⓘ |
| alsoKnownAs | Leica M bayonet NERFINISHED ⓘ |
| canBeAdaptedTo | mirrorless digital cameras ⓘ |
| compatibleWithCamera |
Leica M Typ 240
NERFINISHED
ⓘ
Leica M-A (Typ 127) NERFINISHED ⓘ Leica M10 NERFINISHED ⓘ Leica M11 NERFINISHED ⓘ Leica M2 NERFINISHED ⓘ Leica M3 NERFINISHED ⓘ Leica M4 NERFINISHED ⓘ Leica M5 NERFINISHED ⓘ Leica M6 NERFINISHED ⓘ Leica M7 NERFINISHED ⓘ Leica M8 NERFINISHED ⓘ Leica M9 NERFINISHED ⓘ Leica MP (film) NERFINISHED ⓘ Leica Monochrom series NERFINISHED ⓘ |
| designedFor | 35mm film rangefinder cameras ⓘ |
| flangeFocalDistance | 27.8 mm ⓘ |
| hasMechanicalCoupling |
aperture indexing lug (on some lenses)
ⓘ
rangefinder cam ⓘ |
| innerThroatDiameter | 44 mm ⓘ |
| introducedInYear | 1954 ⓘ |
| introducedWithCamera | Leica M3 NERFINISHED ⓘ |
| manufacturer | Leica Camera AG NERFINISHED ⓘ |
| mountType | bayonet ⓘ |
| notableFeature |
compact lens design
ⓘ
high-precision mechanical coupling ⓘ long-term backward compatibility ⓘ quiet operation ⓘ short register distance ⓘ |
| notableLensFamily |
Leica Elmarit-M
GENERATED
ⓘ
Leica Noctilux-M GENERATED ⓘ Leica Summicron-M GENERATED ⓘ Leica Summilux-M GENERATED ⓘ |
| predecessor | Leica thread mount NERFINISHED ⓘ |
| regionOfOrigin | Germany NERFINISHED ⓘ |
| supportsFocusingMethod |
manual focus
GENERATED
ⓘ
rangefinder coupling GENERATED ⓘ |
| supportsLensType |
fast aperture lens
ⓘ
prime lens ⓘ standard lens ⓘ telephoto lens ⓘ wide-angle lens ⓘ |
| supportsMetering | through-the-lens metering on compatible bodies GENERATED ⓘ |
| supportsRangefinderFramelines |
135 mm
GENERATED
ⓘ
28 mm GENERATED ⓘ 35 mm GENERATED ⓘ 50 mm GENERATED ⓘ 75 mm GENERATED ⓘ 90 mm GENERATED ⓘ |
| thirdPartySupport |
7Artisans M-mount lenses
NERFINISHED
ⓘ
TTArtisan M-mount lenses ⓘ Voigtländer M-mount lenses ⓘ Zeiss ZM lenses NERFINISHED ⓘ |
| usedBy |
documentary photographers
ⓘ
professional photographers ⓘ street photographers ⓘ |
| usedInCameraSeries | Leica M-series NERFINISHED ⓘ |
| usedInCameraType | rangefinder camera ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Leica M-mount Description of subject: The Leica M-mount is a bayonet-style lens mount system introduced by Leica in the 1950s, renowned for its compact, high-precision rangefinder lenses and enduring use in Leica’s M-series cameras.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.