> > The AZ210 I'm using has four 15W Sylvania F15W/350BLB-T8 tubes on each > side, spaced about 2" apart, with a rather odd metal reflector that > looks like it's been hit repeatedly with a very small hammer. Distance > from board to bulb is maybe 1.5" or so, through a sheet of what appears > to be glass (though is probably quartz-glass or something similar that > doesn't block UV). > > Ordinary glass does not block much of the long wave UV used here, a quartz pane would be very expensive. /BL tubes are a better choice than /BLB. The Woods glass used to block visible light in the /BLB also blocks some of the UV output.
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Re: Fotoboard2 / step wedge issues - am I doing something wrong?
2010-03-23 by James