gelatin filters for EtBr photography

Dave Pataky pataky at
Fri Nov 18 13:57:49 EST 1994

(much deleted)

> We used to use Wratten filters but like Paul's the filters eventually
> cracked and glazed over making our EtBr pictures hard to read and out of
> focus.
> I doubt that the glass filters will be affected too much by the UV light

Tiffen #15 orange also works well and is not expensive at your local
camera store. (no i have nothing to do with the Tiffen company or their
suppliers, just using their filter on our camera stand).  Also we don't
have to remove the filter to focus.

Dave Pataky
Dept of Zoology, UBC
pataky at

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