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Collimation
Hi everybody.
Another question. Collimation. With a 10" Dob how often does it need collimating? Should I buy a collimation tool when I buy the scope or is it something I can get later.
myastroshop have an optex laser collimator for $99. Will this work ok with a skywatcher 10" Dob. Think it will but better make sure.
P.S. I appreciate all the help from everybody!!
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