12 Jun
2009
12 Jun
'09
9:16 p.m.
On Fri, 12 Jun 2009 13:41:40 -0700, Eric Smith wrote:
A regular camera flash is probably the wrong thing to
use, as by design
they don't emit a large amount of short-wave UV.
usually the UV filter is in the lens / cover not the cheep glass tube.
The other Bob