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Old 03-07-2009, 11:18 AM
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Liz
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Join Date: Aug 2007
Location: Beautiful SE Tassie
Posts: 4,734
Bob's knobs worth it??

Have read some good reports on Bob's knobs, to aid in easier collimation. Too dear in Aus, but cheaper from USA.
Are they worth the $$
I have a 10" GSO Dob, which I believe uses the knobs made for 10" Meade Lightbridge.
Is it better to get knobs for both the primary and secondary mirrors?
Thanks

http://www.astronomics.com/main/prod...uct_id/BKLB10P
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