Archived posting to the Leica Users Group, 1998/03/30

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Subject: Re: [Leica] 21 mm viewfinder - crazy !
Date: Tue, 31 Mar 1998 00:55:13 -0600

I wonder if Reinhold could take the viewfinder from my 35mm RF-Summicron and
install it on a later version of the 35mm Summicron?  The only problem is
that it would have to be a late chrome version to look right.
Bud Cook
- -----Original Message-----
From: TTAbrahams <>
To: <>
Date: Tuesday, March 31, 1998 12:49 AM
Subject: Re: [Leica] 21 mm viewfinder - crazy !

>Alan, The cost of doing the conversion is approx. US$600 with the customer
>supplying the lens. I don't do the conversion myself, it requires
>and more optical know-how than I have. The original concept came about when
>lost the umpteens finder for my 21/3,4 and I sat down and tried to figure
>a better solution. A good friend of mine is the former head of Leica
>Service department , Reinhold Mueller in Toronto, and I managed to convince
>him to do the first one for me, this has since been followed by another
>conversion, a 21/2,8 and last year a 21/2,8 Asph. It is rather obvious that
>like it!
> You can reach Reinhold by phone, Canada (416)467-6992 or by fax (416)
> The price is high, almost 2 finders, but the benefits far outweigh the
>The parallax problem is solved, you dont have to move your eye from focus
>frame and it really looks neat too! You get a slight light loss in the
>you add more glass and a slight loss is inevitable but not enough to worry
>about. On the M3 and M6HM you only get 35 and 28 viewing angles, but on
>M2/M4/M4-2/M4-P/M6 you get pretty close to the 21 (M6/M4P tends to cut it
>22 mm angle due to an antireflection mask in the finder). My personal
>favourite is a M2 with the frame illumination window covered, this way you
>have no framelines, only the rangefinder patch and "What you see is what
>Tom A