Archived posting to the Leica Users Group, 1999/01/31

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Subject: Re: [Leica] 21 or 24 mm M lens: advice sought
From: "Henning J. Wulff" <>
Date: Sun, 31 Jan 1999 20:01:06 -0800

Mark wrote:

>Articles recently by Erwin Putts have removed the wool from the curtain
>of the Schneider Super-Angulon's in my eyes. My dreams mainly end in ASPH.
>But now that I'm coming right down to it i'm just going with the 24
>which I have no doubt will outclass my Nikon and is in more appropriate
>wide angle category of use: a non Retrofocus lens on a Rangefinder camera).

Please note that all Leica M lenses below 35mm are now retrofocus lenses,
although only to a slight degree in comparison to SLR lenses. This is to
allow the M5 and M6 metering. On the positive side, this makes it easier to
design a lens that has even illumination over the field, but on the
negative, it makes it harder to control distortion. As a consequence, the
new 21/2.8 ASPH has more distortion than the 21/3.4. These differences are
slight, but they do exist, and might possibly make some difference in your

   *            Henning J. Wulff
  /|\      Wulff Photography & Design
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