Re:IR lightleak in darkroom

[Gary Beasley <beasleyglb@xxxxxxxxxxxxxx>]

At 05:50 PM 8/22/98 +0200, you wrote:
>
>Date: Sat, 22 Aug 1998 07:43:32 +0000
>From: Michiel.Fierst@xxxxxxxxx
>Subject: IR lightleak in darkroom
>
>Hi all,
>
>So I have an IR lightleak in my otherwise perfectly dark darkroom. My
>Kodak HIE is badly fogged. However, the amoutn of fogging changes 
>suddenly halfway the film. I therefore suspect the fogging was caused 
>when I was loading the film onto the development reel in total (I 
>thought so anyway) darkness.
>
>The widows are blinded with wood half an inch thick, but the sun is on
>that side of the house. The door is the standard double board model.
>
>I used no darkroom lights, so the only thing visible during loading
>camera and reel were a led glowing from my Jobo CPP and a red neon
>from a switchable mains socket. Very small quanities of light on the
>other side of the darkroom.
>
>I processed in a Jobo tank with only the Duka darkroom light on. White
>lights went on only after the stop bath.
>
>Any ideas?
>
>Michiel

Wood has a tendency to leak infrared like a window. Why don't you try
getting a piece of sheetrock fitted into the window to cover the wood. It
doesnt even have to be a permanent fitting. That should end that particular
leak for good.
Gary Beasley
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