Gelatin and polyester filters

[Joe Berenbaum <joe-b@xxxxxxxxxxxx>]

At 08:51 21/06/97 +0100, you wrote (regarding gelatin filters):

>>Are these hardy enough?  I'm not familiar with them, but they sound like
>>a studio kinda thing, as opposed to something that gets tossed into a
>>camera bag.
>
>I've been using them since I first got into IR about 10 years ago, they 
>do need to be handled relatively carefully, in a gelatin holder within 
>the Cokin box there shouldn't be a problem.  Kodak suggest not getting 
>finger prints on their Wratten gelatins, but Lee filters don't seem to be 
>too worried about it, they even supply a small cleaning tissue.
>Regards
>Gavin

The Lee filters I use are polyester, not gelatin, so they are much tougher.
In fact with reasonable care, polyester filters are quite long lasting. I
understand that if you get a drop of rain on a gelatin filter, it will start
to dissolve!

Joe Berenbaum


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