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William Optics Cat 91 First Light!

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NEW WILLIAM OPTICS Internal Focus Design - Gran Turismo 81 WIFD

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Onstep Goto with Stellarium - Orion optics EQ3 mount

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William Optics Cat 91 WIFD: Does it measure up?

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WILLIAM OPTICS GT81 REFRACTOR | THE BEST TELESCOPE IVE OWNED!!

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William Optics Cat 91 WIFD: First Light!

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

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Review of the William Optics Megrez 90mm f/6.9 Apo Refractor!

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Upgrading to the William Optics base.

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Unboxing and Assembly of an Explore Scientific Truss Tube Dobsonian Telescope

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Could the ZWO ASI585MC Pro Replace Your DSLR?

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Meade's ETX Observer Computerized Telescopes

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Just Dropped! William Optics MiniCat 51 Refractor | High Point Scientific

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William Optics Gran Turismo 71 - My impressions after 6 months (review)

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William Optics Binoviewers -- The best budget binoviewer available?

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William Optics RedCat 91 WIFD: First Look

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