The Leica M mount is a camera lens mount introduced in 1954 with the Leica M3, and a range of lenses. It has been used on all the Leica M-series cameras and certain accessories up to the current film Leica M-A and digital Leica M11 cameras.
Leica M3 and M Mount 50mm lens
M mount female part of the bayonet on a Leica M3 body. The mechanical sensor seen inside the top of the mount is the rangefinder coupling arm
M mount male part of the bayonet on the Leica Elmar 90mm f/4.
The Leica M3 shutter speed dial, film advance lever, shutter button and the frame counter.
Leica Camera AG is a German company that manufactures cameras, optical lenses, photographic lenses, binoculars, and rifle scopes. The company was founded by Ernst Leitz in 1869, in Wetzlar, Germany. The name Leica is derived from the first three letters of the founder's surname (Leitz) and the first two of the word camera: lei-ca.
The Leica M9
First image taken from the Ur-Leica by Oskar Barnack 1913, Eisenmarkt, Wetzlar, Germany
An advert in Time magazine for Leica's new Summar lens, March 5, 1934
Very rare Leica soft-focus Thambar lens from the 1930s with original leather case. In front, left to right: Rear cap, special dot filter, lens shade, front cap