Archived posting to the Leica Users Group, 2005/11/14

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Subject: [Leica] My first problem with Vignetting
From: chs2018 at med.cornell.edu (Chris Saganich)
Date: Mon Nov 14 10:06:26 2005
References: <NEBBJDFBIKOBILIKPPBNKEKHDAAB.red735i@earthlink.net> <p06230902bf9e6ea05a11@[10.0.1.4]>

Nevermind, it is the hood.

At 11:50 AM 11/14/2005, you wrote:
>>OK, I got it... A full roll of film, with several shots vignetted in the
>>corners.  I always use a hood, but not all my hoods were made specifically
>>for the lenses I use them on.. sometimes the hoods are for a generation
>>before the lens.
>>
>>So now, to testing.... I have to figure out which combo I use that does not
>>work right.....
>>
>>I may try the .. open the back and the shutter and just plain look at the
>>corners through the back as you put the hood on, or I may have to try a 
>>roll
>>of film and some reasonably straight forward record keeping.....
>>
>>We'll see.....
>>
>>Frank Filippone
>>red735i@earthlink.net
>
>Opening the back and looking through the corners with the shutter open is 
>a lot more accurate, besides being cheaper and faster, than taking shots.
>
>It's very easy to see when a hood or filter impinges on the rays that go 
>to the corners, even when the result may be missed on anything but a truly 
>evenly lit, featureless surface.
>
>--
>    *            Henning J. Wulff
>   /|\      Wulff Photography & Design
>  /###\   mailto:henningw@archiphoto.com
>  |[ ]|     http://www.archiphoto.com
>
>_______________________________________________
>Leica Users Group.
>See http://leica-users.org/mailman/listinfo/lug for more information

Chris Saganich, Sr. Physicist
Weill Medical College of Cornell University
New York Presbyterian Hospital

Ph. 212.746.6964
Fax. 212.746.4800
A0049 



In reply to: Message from red735i at earthlink.net (Frank Filippone) ([Leica] My first problem with Vignetting)
Message from henningw at archiphoto.com (Henning Wulff) ([Leica] My first problem with Vignetting)