Difference between revisions of "39mm screw lenses"
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Revision as of 16:39, 16 December 2005
The 39mm screw mount was introduced by Leica with the model I (C), and used on all the Leica models until the IIIg. The mount was adopted on many Leica copies and other 35mm rangefinder cameras.
The mount is also called Leica Thread Mount (LTM), Leica Screw Mount (LSM), or M39. It is 39mm diameter and 26 threads per inch, with rangefinder coupling.
The most important bodies using the 39mm screw mount are:
- Leica I/II/III
- Canon rangefinders
- Voigtländer Bessa
- the Russian Fed, Zorki, Leningrad and Drug
- the British Corfield Periflex
Some makers made cameras and lenses with a 39mm screw mount completely incompatible with the Leica one, because the flange-to-film distance is different. Two such systems are:
We can attempt to make a list of 39mm screw lenses from the most important makers.
Contents
Leica lenses
Canon lenses
Russian lenses
Voigtländer lenses
From the original company From the Cosina period
Zeiss lenses
Quite rare