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Re: ATM an afternoon with Tom Cave
Richard Schwartz <richas@idt.net> wrote...
"Tom [Cave] spoke of refractors. He does not have a high opinion of the
Astrophysics refractors because the fluorite elements will deteriorate
with moisture. A fine old Clark refractor, on the other hand, will last
hundreds of years."
If Tom is speaking of crystal fluorite, I do not believe there is
any in the AstroPhysics designs. In any case, it is a real shame when
people give their opinions as though they are facts. I don't think there
is any evidence to back this up, and it a shame that fine companies like
AstroPhysics have to defend themselves agains such unsubstatiated claims.
Clear skies, Alan