In article , caitlinzs@norbert.cfr.washington.edu says...

>I'm in need of information about filters that filter out *everything
>except* ultraviolet wavelengths and film sensitive to UV. It would be
>used with a black light lamp to photograph bird eggs (and maybe bird
>feathers) for UV-reflectant patterns. I have a 35mm Minolta, fully
>manual, and a 35mm Canon, fully automatic. I am a complete novice at
>this, so *any* information would be useful.

You may need to switch camera brands for this, since most camera
lenses will pass little or no UV. Nikon makes at least one UV transparent lens (quartz), as may Hasselblad (?).
Hope This Helps