Archived posting to the Leica Users Group, 1997/12/15

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Subject: Re: [Leica] M and R wide angle lens differences
From: Eric Welch <ewelch@ponyexpress.net>
Date: Mon, 15 Dec 1997 21:14:21 -0600

At 10:40 PM 12/15/97 +0100, you wrote:

>Thanks for the info. One possible explanation for unsharpness at infinity
>might be the lens design itself favorizing close distance performance. I
>don't know, but do these lenses have CRC? I used the 28/2,8 AIS Nikkor
>extensively and found it to be very good, short of the corners when open.

I don't think any M lenses have floating elements (what Nikon calls CRC),
do they? Too small for such a complex mechanism. I do know some of the R
wide angle lenses do. 19mm Elmarit (New), 35mm Summilux R, maybe the 24
Elmarit? I'm sure there's more.
==========

Eric Welch
St. Joseph, MO
http://www.ponyexpress.net/~ewelch

It's never too late to have a happy childhood.