From: karen vanderhule 
To: ATM list 
Reply-To: karen vanderhule 


Hi guys'.....

       I am making a folded light refractor and I am curious as how to
make sure the objective is square to the first ( and only) reflective
surface.  What visual confirmation am I looking for?  I don't want to make
any collimating adjustments on the front objective  just on the mirror
where it is folded.
Thanx, Ron

--- BBBS/NT v4.00 MP