Leica M mount

Infobox camera mount
mount_name = Leica M mount

---

caption = Mounting of a M3
type = Bayonet
external_diameter = 44 mm
inner_diameter =
tabs = 3
flange = 27.8 mm
connectors = focal lens indicator for frame selection in the viewfinderThe Leica M mount is a camera lens mount introduced in 1954 with the Leica M3, and a range of lenses. It has been on all the Leica M series up to the current Leica M7 and Leica M8.

This lens mount has also been used by Minolta on the Minolta CLE rangefinder camera, by Konica on the Hexar RF, by Voigtländer (Cosina) on the late models of the Bessa range, by Rollei on the Rollei 35RF (practically a Bessa under Rollei's name), and very recently by Zeiss Ikon on the latest Zeiss Ikon rangefinder camera.

Compatible lenses

Leica lenses

(very incomplete list)

With the Leica M:
* 35mm f:2 Summicron
* 50mm f:2 Summicron
* 50mm f:2.8 Elmar
* 90mm f:2.8 Elmarit
* 90mm f:4 Elmar

With the Leica CL:
* 40mm f:2 Summicron-C
* 90mm f:4 Elmar-C
* 40mm f:2.8 Elmarit-C

Elcan lenses

Ernst Leitz Canada made special military lenses under the "ELCAN" name:
* Elcan 50mm f/2, for the Leica KE-7a
* Elcan 66mm f/2
* Elcan 90mm f/1, apparently without helical, focused by extension ringsSee [http://www.leica-camera.com/discus_e/messages/2/64789.html?1083882061 this informative post at a Leica forum] .

Konica lenses

With the Hexar RF:

*21mm/35mm f/3.4 / f/4
*28mm f/2.8
*35mm f/2
*50mm f/2
*50mm f/1.2
*90mm f/2.8

* [http://web.archive.org/web/20040803004714/www.davidde.com/articles/konica50.html Review of 50/2] and [http://web.archive.org/web/20040817144610/www.davidde.com/articles/konica90.html review of 90/2.8] by Davidde Stella (via Wayback, therefore slow)
* [http://www.dantestella.com/technical/90hex.html Examples from the 90/2.8] by Dante Stella

Minolta lenses

With the Leica CL:
* 40mm f:2 M-Rokkor
* 90mm f:4 M-Rokkor

With the Minolta CLE:
* 28mm f:2.8 M-Rokkor
* 40mm f:2 M-Rokkor (new version)
* 90mm f:4 M-Rokkor (new version)

Voigtländer lenses

With the Bessa T, R2, R2A, R3A, R2M, and R3M:
* 21mm f/4 P type
* 25mm f/4 P type
* 35mm f/1.2 Aspherical Nokton with Armalite hood, the fastest ever production 35mm lens for 35mm cameras
* 35mm f/2.5 Color-Skopar P type II
* 35mm f/1.4 Nokton
* 40mm f/1.4 Nokton, the fastest ever production 40mm lens for 35mm full-frame cameras [ [http://www.cameraquest.com/voigt4014.htm Cameraquest article about the 40/1.4] ]
* 50mm f/2 collapsible Heliar

Other Cosina Voigtländer lenses are screwmount and need an adapter to fit on the later Bessa bodies.

Rollei lenses

With the Cosina made Rollei 35RF:

*40mm f/2.8 Sonnar
*80mm f/2.8 Planar

Rollei also announced at one point that they were going to release a 28mm lens and a 50mm lens, but lost interest in the 35RF (really a Cosina Bessa R2) system.

Carl Zeiss lenses

With the Zeiss Ikon rangefinder:
* 15/2.8 Distagon
* 18/4 Distagon
* 21/4.5 C Biogon
* 21/2.8 Biogon
* 25/2.8 Biogon
* 28/2.8 Biogon
* 35/2 Biogon
* 50/2 Planar
* 50/1.5 C Sonnar
* 85/2 Sonnar

See also

* M39 lens mount

Notes

External links

* [http://members.aol.com/dcolucci/a.htm The Leica M Lens Price Guide] at Dan Colucci's [http://www.antiquecameras.net www.antiquecameras.net]
* [http://www.summilux.net/m_system/objectifs.html Objectifs Leica M] at [http://www.summilux.net/ summilux.net]