From: lva (lva@pamho.net)
Date: 09/07/00-03:17:57 PM Z
>The Wratten 25 filter does not transmit anything under 580nm (and only
>12% at 590nm). So you could expose as long as you want, your emulsion
>will never been exposed.
Wow, you guys know your stuff! Thanks for sharing this and saving me
from days, weeks, years of exposing through a red filter.
Brahma
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