Filter size

[pridbor]

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Do all filters of the same size e.g. 55 mm have the same threads??

 

Looking to buy some filters for protection, mostly from dust sitting unused.

 

So if I see a filter for e.g. a Canon with 55mm filter size will it then therefore also fit my R lenses, or did Leica have a unique thread for any and all lenses??

 

Thanks in advance for your responses

 

Preben

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[david strachan]

If it says 55mm...it will fit all 55mm threads. Just gets tricky when it's a much smaller filter size.

 

 

...

[jaapv]

There are some exceptions, e.g. the Summicron-C 40 mm lens, which uses a different thread pitch, and some that take series filters through an adapter like the very first Apo-Telyt 135 lenses and the Summiluxes M 21 and 24, but by and large most Leica lenses take standard filter sizes. Usually this is indicated by the prefix "E". Like for instance E55.

[UliWer]

According to the list on p.9.21 of the Leica Handbuch 2002/2003 all filters from 32mm to 43mm for Leitz and Leica lenses had a pitch of 0.5, those with larger diameters had a 0.75 pitch. 

 

The odd M39*0.75 thread of the Summicron-C was for the hood, not for the filter. You needed Serie 5.5 filters for the lens, which had a diameter of 36mm and were held by the hood.