Archived posting to the Leica Users Group, 1998/05/26

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Subject: Re: [Leica] sharpness discussion
From: Chris Bitmead <chrisb@ans.com.au>
Date: Tue, 26 May 1998 13:51:59 +0000
 
Eric Welch wrote:

> >Wouldn't be able to meter? What is that about?
> 
> If a lens is non-retrofocus, it has to be close to the film. (Retrofocus
> was designed, at least in part to get the back element far enough away to
> let an SLR mirror swing up). Thus the M6 could not meter, because the back
> of the lens is too close to the film to clear the light path to the meter
> cell.

Then let me ask again... Which M6 lenses are retrofocus?