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Re: ATM home made secondary holders >NO< spider




You could always make the screws drive wedges which drive pins to move the
secondary.  A 30deg. slope will allow for a finer adjustment of the
secondary and if you do things right, you will also be able to adjust all 3
screws from the same hole in the side of the scope.  I also suggest you do
funnels and use Phillips Head screws for the adjustment screws.
Bob May
http://nav.to/bobmay
bobmay@nethere.com