[LargeFormat] Light bar across Quick Load
Richard Knoppow
dickburk at ix.netcom.com
Thu Jul 21 16:40:34 EDT 2005
----- Original Message -----
From: "Steve Bell" <steve at listsmail.fsnet.co.uk>
To: "f32 Large Format Photography Mail List"
<largeformat at f32.net>
Sent: Thursday, July 21, 2005 1:31 PM
Subject: [LargeFormat] Light bar across Quick Load
> I've only been using 4x5 since around December last year,
> and as yet haven't
> had any unexplained problems with film, until now.
>
> I shot some Velvia last weekend in our Yorkshire Dales,
> got the processing
> back, all OK. I also used 2 Provia Quick Loads, one was
> OK, the other had an
> odd problem I don't want to repeat. I shot in portrait
> mode, and across the
> bottom of the image there was a lighter band, that wasn't
> really there on
> the grass. It was about 1/4 inch up from the bottom, and
> about 1/4 wide,
> across the full width of the film. The Quick Loads were
> used in a Kodak
> holder. I've probably only used around 20 Quick Loads and
> never seen this
> before. The camera used was a Toyo 45A. Any ideas?
>
> Steve Bell, UK.
>
One thing to check for is a reflection from the rebate
around the ground glass. Shining a flashlight through the
lens and checking the ground glass may show it up. Another
possibility is that the holder was not seated correctly
leaving enough of a gap to result in a light leak.
---
Richard Knoppow
Los Angeles, CA, USA
dickburk at ix.netcom.com
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