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cheepnis
super member
Reged: 02/16/08
Posts: 178
Loc: New York
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Re: Bob's Knobs ate my telescope
05/18/08 11:35 AM
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On a C8 the secondary is mounted on a steel plate, and that is what the collimation screws are threaded into.
As Uncle Rod states you finish the collimation by tightening, have no fear of over-tightening when using Bob's knobs (You should be careful if using an allen wrench though, more so for stripping threads or torquing off the head).
Tight tight tight.
I only undo a screw when beginning a rough collimation. As a result I haven't undone a screw on my Orange-tube since I installed the knobs about 5 years ago.
-Tim
--------------------
"...through the transitive nightfall of diamonds"
Orange Tube C8 (1978?) orig Fork Mount
Ultima 8
C80-ED
CG-5
Nexstar SLT
Various gagets and gizmos to go with.
NELM in my backyard like 4 on a GOOD night 
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