Archived posting to the Leica Users Group, 1999/02/15

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Subject: Re: [Leica] 1,4/80 and 1,4/75
From: Alan Ball <AlanBall@csi.com>
Date: Mon, 15 Feb 1999 17:59:16 +0100
 
imxputs wrote:
> ....snip.....The assertion that they are identical
> (some earlier post on the LUG) is not true, but may be inspired by the fact
> that the 2,8/90 M and R versions share the same optical system. The 2,8/135 M
> and R versions also are identical in their optical parts.

Erwin,

And also by the fact that the 80R and 75M have the same number of
elements in the same number of groups (7/5). It seems logical to
extrapolate from that that they are based on very similar designs, but I
have no idea if this is the case or not. Did you compare the designs
yourself ?

Alan