Archived posting to the Leica Users Group, 2009/10/23

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Subject: [Leica] an M9 question...
From: henningw at archiphoto.com (Henning Wulff)
Date: Fri, 23 Oct 2009 13:43:24 -0700
References: <76DF62EA-7B6E-4636-B595-8C67DB4AF929@gmail.com> <00d901ca5371$a32c9be0$e985d3a0$@net> <102320091739.22372.4AE1EA630004A03800005764223245003003010CD2079C080C03BF 970A9D9F9A0B9D09@mchsi.com> <9168C196-B8C2-47D6-A320-CADC3A1BF7DE@gmail.com>

In a simplified, but reasonably accurate way:

Longer tube = narrower angle of view.
Longer tube refers to the distance of eyepiece to front glass of the 
viewfinder, which is longer for the M8/9 than M film bodies. This can 
be compensated for by complicating the optical construction of the 
finder, but that really opens a can of worms, and the internet forums 
would be alight with outrage.

So, short of a complete redesign of the view/rangefinder I think 
Leica did the right thing. Personally, I would like to see Leica put 
in a range/viewfinder like the ZM has, and now they could do that 
since there is no rewind crank, but again a large percentage of the 
'conservatives' among Leica owners would scream.

Also, my 135 Elmarit would no longer work, and all those hordes 
currently doing major work with SOOKY-M's would be out of luck.




At 10:44 AM -0700 10/23/09, Steve Barbour wrote:
>On Oct 23, 2009, at 10:39 AM, grduprey at mchsi.com wrote:
>
>>
>>
>>  It has to do with the body thickness, the M8 and M9 are thicker 
>>and the traditional vf mag will not work correctly.
>
>
>why not ?
>
>so how does changing the magnification alter that?
>
>
>Steve
>>
>>
>>  Gene
>>    -------------- Original message from "Frank Filippone" 
>><red735i at earthlink.net>: --------------
>>
>>
>>>  I meant to ask about something similar.....
>>>
>>>  Why is the M8 and M9 VF set for a .68VF rather than the traditional .91 
>>> in
>>>  the M3 and .72 in the M6?
>>>
>>>  I have forgotten the "wisdom" of this choice......
>>>
>>>  Frank Filippone
>>>  red735i at earthlink.net


-- 

    *            Henning J. Wulff
   /|\      Wulff Photography & Design
  /###\   mailto:henningw at archiphoto.com
  |[ ]|     http://www.archiphoto.com


In reply to: Message from steve.barbour at gmail.com (Steve Barbour) ([Leica] an M9 question...)
Message from red735i at earthlink.net (Frank Filippone) ([Leica] an M9 question...)
Message from steve.barbour at gmail.com (Steve Barbour) ([Leica] an M9 question...)