Archived posting to the Leica Users Group, 2001/01/13

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Subject: RE: [Leica] 21mm r/f conversion
From: Jem Kime <jem.kime@cwcom.net>
Date: Sun, 14 Jan 2001 07:40:42 -0000

Ah!
Thank you, I had a feeling there was something I must have been overlooking...
It pays to ask the LUG :-)

Jem

- -----Original Message-----
From:	Dennis Painter [SMTP:dpainter@Bigfoot.com]
Sent:	14 January 2001 00:06
To:	leica-users@mejac.palo-alto.ca.us
Subject:	Re: [Leica] 21mm r/f conversion

Jem Kime wrote:
> 
> 
> On the 21mm topic. Can anyone say what might happen with the
> Abrahamsson/Mueler conversion if the dioptre lens in fornt of the r/f
> window was eliminated? My mind is struggling to think why this couldn't
> solve the problem of the loss of r/f focusing.
> The v/f window would show a 20mm frame (near enough) and the focusing would
> remain unaltered wouldn't it? (apart from the reduced effective base length
> due to the new magnification of the v/f image)
> 
> Any thoughts?
> 
> Jem
> 

What would happen? I would think it would make it kind of hard to line
up 2 different size (magnification) images wouldn't it ;-)

Dennis