Frame Lines

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 Post subject: Frame Lines
Unread postPosted: Sun Sep 04, 2011 1:13 pm 
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How is it that, without the 6 bit coding, the ZEISS ZM lenses pull up the correct frame lines?


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 Post subject: Re: Frame Lines
Unread postPosted: Sun Sep 04, 2011 5:50 pm 
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The frame lines are brought up mechanically by the mount. That's why you see for example, LTM/M adapters for 28/90, 35/135 and 50/75. Depending on which frame lines are brought up determines what you can code your lens as and the combination is required to properly code.

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 Post subject: Re: Frame Lines
Unread postPosted: Mon Sep 05, 2011 5:36 pm 
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Double Negative wrote:
The frame lines are brought up mechanically by the mount. That's why you see for example, LTM/M adapters for 28/90, 35/135 and 50/75. Depending on which frame lines are brought up determines what you can code your lens as and the combination is required to properly code.


Ahh....

Got it.

I just couldn't see how the mount would do that thru the three different lenses.
I forget the mechanical aspects of the Leica.


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