[alt-photo] Re: pinhole question

[fdfragomeni at gmail.com]

Francis,

If the vignetting is only on one side as you describe the my bet is that is it indeed the travel of the shutter. Is the vignetting always on the same side? When opening up the Holga, does the shutter always swing from the same side (some of the plastic cameras have shutters that alternate from which direction they swing) and if so is it the same side as the vignetting on the negs? If so then this is probably the root of the problem.

P.S. I'll see a friend tonight who has one so I'll ask him and I'll try to take a look at the camera.

-Francesco
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-----Original Message-----
From: francis schanberger <frangst at gmail.com>
Sender: alt-photo-process-list-bounces at lists.altphotolist.org
Date: Wed, 28 Sep 2011 19:23:23 
To: <alt-photo-process-list at lists.altphotolist.org>
Reply-To: The alternative photographic processes mailing list
	<alt-photo-process-list at lists.altphotolist.org>
Subject: [alt-photo] pinhole question

Dear Alt List,

I recently bought a Holga 120WPC, their wide pinhole camera, which is
exhibiting some vignetting only on one side when I photograph with the
camera set up for 6cm x 12 cm frames. Has anyone else experienced this with
this camera? I took out a retaining washer which kept the pinhole in place
and filed it a bit larger but I may have aggravated the effect. I won't know
until I examine the negatives tomorrow (they are drying at school, about a
mile away).

Has anyone here used any of the Holga pinhole cameras? Would the travel of
the shutter cause the vignetting with such an extreme angle of view? I have
seen images with this camera on flickr that exhibit no vignetting but this
may be due to cropping.

-- 
francis schanberger

www.francisschanberger.com
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