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Two Collimators two results- what the?
I have two laser collimators, one which I bought (GSO) and one borrowed (Prostar), and of course when placed in my scope they are nowhere near agreement. The GSO one seems to be better quality and fits the GSO dob focuser better, and is close to alignment. The Prostar is loose in the focuser, regardless whether using at 1.25 or 2" fitting with adaptor. What to do, which one to trust? My gut feel is the GSO is close. Can I confirm them somehow?
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