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Bobs Knobs - Collimation Adjustment Screws for Celestron
For Celestron SCTs
COLLIMATE YOUR SCHMIDT-CASSEGRAIN STYLE OR NEWTONIAN STYLE TELESCOPE WITHOUT TOOLS
It′s easy . . . just grab a Bob′s Knob and turn. You can even do it while looking through the
eyepiece on most scopes. And you′ll never drop that pesky little Allen wrench or screwdriver into the
grass again. Installation is a snap with the included instructions, and you can undo the modification at any
time.