Re: faint lines on negatives -Reply

["J.Wood" <shopper@xxxxxxxxxxxxxx>]

>
>In particular, I'd be interested in knowing whether anybody here has
>experienced an exception to a rule I surmise from past correspondence:
>that natural leather bellows are categorically unsafe with IR, and
>that the ruberized fabric sort are categorically safe--assuming good
>condition, of course.
>
>
My esperience is that leather is not categorically unsafe.  My aged field
camera has red leather bellows and is used for large format IR.  I don't
trust it for long exposure, i.e. 10 - 20 seconds, with the dark slide pulled
so I cover the top of the bellows with aluminum foil after I have pulled the
dark slide.  The aluminum foil comes perhaps from overdoing thigs.  I wrap
my film holders in it when they are not in use.  But I don't have fogging
problems either with this camera and procedure.

Jim 

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