Re: MACO IR 820 fogging problems

["Tim Rudman" <tim.rudman@xxxxxxxxxx>]

Have you sent this info to Maco/Hans O'Mahn ?
Tim

----- Original Message ----- 
From: Eckhard Stephan <eckhard.stephan@xxxxxxxxxxx>
To: <infrared@xxxxx>
Sent: Sunday, November 28, 1999 8:39 PM
Subject: Re: MACO IR 820 fogging problems


> Hello everyone,
> 
> I found out the reason why my MACO IR 820 was fogged: The plastic
> container of the film as well as the tin cassette itself are NOT
> IR-PROOF. I fogged the film while I let the firmly closed container
> stand outside the fridge for about half an hour to acquire room
> temperature. Fortunately it was only one roll...
> This evening I performed a simple test: I cut off two little pieces of
> film from a fresh roll of Kodak HIE in my darkroom. I put the first one
> in a HIE plastic container, which I know to be IR-proof, and the second
> one in the MACO container. Then I turned on the lights for some minutes.
> After that I developed the two film pieces as usual. The film from the
> Kodak container was fine, whereas the one from the MACO container was
> completely black.
> 
> This means that YOU MUST NOT OPEN THE TIN CAN OF MACO 135-36 EXCEPT IN
> ABSOLUTE DARKNESS.
> 
> Hopefully this warning doesn't come too late... 
>   
> Cheers, 
> 
> Eckhard
> 
> -- 
> ========================================
> *          Eckhard Stephan             * 
> *          Freiburg (Germany)          *
> *     eckhard.stephan@xxxxxxxxxxx      * 
> *   http://www.eckhards-photobox.de    *   
> ========================================
> *
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