CoCam: Koni-Omega Mail List Archive
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Re: [KOML] Auto Up specs and fogging problem
- To: "Koni-Omega Mailing List" <koni-omega@snoopy.cmagic.com>
- Subject: Re: [KOML] Auto Up specs and fogging problem
- From: Clive Warren <Clive.Warren>
- Date: Mon, 27 Apr 1998 10:40:25 +0100
At 4:02 pm -0400 24/4/98, knichols@lightbridge.com wrote:
>Hi all,
>
> This is my first post, although I've been following the list for a
>month or two. I'm enjoying my RO 200 a great deal, mostly taking scenics
>up at Crane's Beach in Ipswich MA. I'm also interested in flower closeups.
>Would someone please post the magnification factors for the closeup
>attachments?
> I'm having a problem with fogging in the right third of some
>negatives, but not all the time even when shooting a whole roll with the
>same lens. It does not fog past the picture area to the physical edge of
>the negative, so that rules out a light leak, right? Someone suggested a
>shutter problem, but they didn't know that we were talking leaf shutters.
>Can they account for that shape (pretty straight across the picture). I
>haven't done tests yet to narrow it down to a specific lens, shutter speed
>or aperture (I know it does it with the 90, but I also have the 58). I'm
>going to do that this weekend, but does anyone have an idea?
> Thanks. This group has been a great source of info. I'm a definite
>convert to MF and older cameras. Now I'm thinking of getting a 6x9 folder
>for travel (!).
>
> -Keith Nichols
> knichols@lightbridge.com
Glad you're enjoying your 200. Suggesting something specifically as the
root of your fogging problems is difficult without having access to the
body and tryiny out a number of tests. However, the 200 has a lot of
potential places where light leaks could occur. I would recommend renewing
all of the foam light seals on the camera, of which there are quite a few
but at least are reasonably easy to access.
Try http://www.fargo-ent.com/ for a good source of replacement foam.
First place to look is the seal around the lens itself, then carry on back
through the camera.
All the best,
Clive http://clive.bel-epa.com