Re:Maco IR film and anti-halation layer

[Gary Beasley <beasleyglb@xxxxxxxxxxxxxx>]

>Date: Sat, 15 Jan 2000 21:50:49 GMT
>From: "stephen ireland" <stephen_ireland@xxxxxxxxxxx>
>Subject: Re: Maco IR film and anti-halation layer 
>
>I may be new to the world of infrared photography, but this is just a 
>curious observation from information i have read on the Maco IR film:
>
>The Maco IR film has an anti-halation layer unlike Kodak High-Speed Infrared 
>film. The Kodak film produces ghostly 'halo' effects from not have this 
>anti-halation layer. It would be good if the Maco IR film didn't have an 
>anti-halation layer to produce effects like the Kodak film.
>
>I have also read that the anti-halation layer on the Maco IR film has to be 
>washed off in a pre-wash before development. Therefore is it possible to 
>wash off the anti-halation layer before exposing the film in the camera? 
>Would this be possible and what effects might this have? I can imagine 
>drying the unexposed, undeveloped film might cause problems but might be 
>worth the effort. Any comments???
>
>Stephen Ireland
>
What about the possibility that the wash will also remove the dyes that
sensitise the film to IR? Anyone know anything about these dyes?
Gary Beasley
http://beasleyglb.home.mindspring.com/

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