Archived posting to the Leica Users Group, 1999/07/27

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Subject: Re: [Leica] 35mm sunshade
From: chefurka@sympatico.ca (Paul Chefurka)
Date: Wed, 28 Jul 1999 05:35:02 GMT

On Tue, 27 Jul 1999 09:53:54 +0100, Douglas McLernon
<Douglas.McLernon@tcd.ie> wrote:

>The sun shade ( rectangular)  for my 35mm Summicron sits at a very slight
>angle from being straight on when looking at the camera. I can't see any
>noticeable vignetting but it bothers me aesthetically. Any thoughts, as the
>catch notches on the lens do not appear to be adjustable.

I thought I saw this phenomenon on my M4 - it turned out it was an
optical illusion caused by the depth of the chrome top-plate being
different on each side of the lens. This makes it look as though the
shade is canted, when in fact (relative to the bottom plate) it's not.

Check for possible sources of this illusion, and also set the camera
on a flat surface like a table and measure the distance from the table
to the lower edge of the shade.  If it's in fact angled, either take
it in to an independent camera repair center for an opinion, or send
it to a Leica repair facility.

Paul