Archived posting to the Leica Users Group, 2000/02/06

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Subject: Re: [Leica] 40.5 Filter on Summarit???
From: John Collier <jbcollier@home.com>
Date: Sun, 06 Feb 2000 07:11:40 -0700

The 40.5 filter is a JIS standard and uses a different thread pitch from the
leica lenses. It still may work but try very gingerly as it is very easy to
mess up such fine pitch threads! Personally I would buy E41 filters and not
risk toasting the summarit as I assume the glass is good. There a E41
filters available used and NOS at all the usual used Leica sites and auction
sites.

John Collier

> From: Javier Perez <japho@cunyvm.cuny.edu>
> Date: Sun, 06 Feb 2000 01:00:05 -0500
> Subject: [Leica] 40.5 Filter on Summarit???
> 
> Very Simply
> Can I get away with using a standard 40.5 size
> filter on an E41 Summarit? More than any other lens
> this one needs a filter for protection!
> Anybody tried it?