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

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Subject: [Leica] an M9 question...
From: steve.barbour at gmail.com (Steve Barbour)
Date: Fri, 23 Oct 2009 13:24:59 -0700
References: <76DF62EA-7B6E-4636-B595-8C67DB4AF929@gmail.com> <00d901ca5371$a32c9be0$e985d3a0$@net> <102320091739.22372.4AE1EA630004A03800005764223245003003010CD2079C080C03BF970A9D9F9A0B9D09@mchsi.com> <9168C196-B8C2-47D6-A320-CADC3A1BF7DE@gmail.com> <4AE20EFF.7070200@innerside.demon.nl>

On Oct 23, 2009, at 1:15 PM, Meino de Graaf wrote:

> Steve,
>
> because the body is thicker, the oculair (the lens that is at the  
> back of the camera) is farther away from the optical parts in the  
> finder. To create a sharp image, its optical properties have to be  
> changed. This cause the different magnification of the finder.
> If the magnification had to stay the same, the whole finder had to  
> be redesigned.


thanks Meino, I understand...sort of.

So is the final real & effective VF mag the same or different from  
before when you put all these variables together...?


Steve
>
> regards
> Meino de Graaf
>
> 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
>>>>
>>>>
>>>>
>>>>
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>>>
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>
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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 grduprey at mchsi.com (grduprey at mchsi.com) ([Leica] an M9 question...)
Message from steve.barbour at gmail.com (Steve Barbour) ([Leica] an M9 question...)
Message from meino at innerside.demon.nl (Meino de Graaf) ([Leica] an M9 question...)