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I bought a few 5/32" x 1/2" socket head cap screws and caps from the local Thomas Warburton. They replace the existing philips head screws in the SCT secondary holder. The same as Bob's Knobs, all for a few dollars. At the same time, I added a few o-rings. Makes collimation adjustment even easier.
Oops, that should be allen head screws, not phillips head.
Cheers,
Last edited by Astrobserver99; 04-08-2009 at 06:06 PM.
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