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4 Telescopes Tested: Doublet vs. Triplet vs. Quadruplet vs Quintuplet

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What's Up? Webcast: Picking a Refractor for Visual

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First Shot of My Sharpstar 61EDPH II with AM5 Mount. -M31 and M33-

9:12

We Bought an OBSERVATORY (But We Have To Move It)

17:22

Putting Together a 12.5" F4.6 Renegade Telescope

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Astronomia e Natura. William Optics Zenithstar 61 MARK II APO (with english subtitles)

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5" Refractor Shootout

14:15

Why You Should Upgrade Your Eyepiece