Re: Circles of confusion (was UV light sources)
SCHRAMMR@wlsvax.wvnet.edu
Tue, 12 Dec 1995 12:27:28 -0500 (EST)
Not only does the speed of light in a medium (like glass, plastic etc)
vary with wavelength, but the amount of light absorbed by various
materials varies with wvaelength as well. However, I vote for the vacuum
easel as making the real difference.
Bob S.