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William Optics Telescopes

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  • William Optics William Optics Star71 Four Element f/4.9 Imaging Refractor w/2.5" Focuser - A-WO71-II
    $1,198.00
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  • William Optics William Optics GT71 f/5.9 Gold Triplet APO Refractor w/ Guide Rings - A-F71GT
    $828.00
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  • William Optics William Optics GT71 f/5.9 Gold Triplet APO Refractor w/Flattener & Guide Rings - A-F71GT-AP
    $928.00
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  • William Optics GT71 f/5.9 20th Anniversary Gold Triplet Refractor
    William Optics William Optics GT71 f/5.9 Gold Triplet APO Refractor - 20th Anniversary Edition - A-F71GT-VP20A
    $958.00
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  • William Optics 71 mm f/4.9 Star Imaging Refractor - Blue Edition with Soft Case
    William Optics William Optics Star71 Four Element f/4.9 Imaging Refractor w/2.5" Focuser - Limited Blue Edition - A-WO71-IIBU
    $1,198.00
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  • William Optics William Optics ZenithStar 61 mm f/5.9 APO Doublet Refractor Telescope - Blue Edition - A-Z61BU
    $478.00
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  • William Optics William Optics ZenithStar 61 mm f/5.9 APO Doublet Refractor Telescope - Red Edition - A-Z61RD
    $478.00
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  • William Optics William Optics ZenithStar 61 mm f/5.9 APO Doublet Refractor Telescope - Gold Edition - A-Z61GD
    $478.00
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  • William Optics 73mm ZenithStar APO Doublet Refractor OTA
    William Optics William Optics Red ZenithStar 73 f/5.9 FPL53 APO Doublet Refractor w/ Guide Rings - A-Z73RD
    $618.00
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  • William Optics 73mm ZenithStar Blue Apochromatic Doublet Refractor
    William Optics William Optics Blue ZenithStar 73 f/5.9 FPL53 APO Doublet Refractor w/ Guide Rings - A-Z73BU
    $618.00
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  • William Optics William Optics Fluorostar 132mm f/7 Triplet APO Refractor with 3" V-Power Focuser & Roto Lock Adapter- Gold - A-F132-VP20ARII-GD
    $3,698.00
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  • William Optics William Optics Fluorostar 132 Refractor w/ Bahtinov Mask - A-F132
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  • William Optics William Optics Gran Turismo 102 Triplet Refractor w/ Bahtinov Mask Cover - Gold - A-F102GTS-RP33
    $1,998.00
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  • William Optics William Optics WhiteCat 51 Refractor Telescope - A-RC51-GD
    $698.00
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  • William Optics William Optics Fluorostar 132 f/7 Triplet APO Refractor with 3.5" Feather Touch - A-F132-FTII
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  • William Optics Gran Turismo 153 Triplet APO Refractor
    William Optics William Optics Gran Turismo 153 Triplet APO Refractor - A-F153GT-FT
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  • William Optics William Optics Fluorostar 132 f/7 Triplet APO Refractor with 3.5" Feather Touch Focuser & Roto Lock Adapter - A-F132-FTRII
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  • William Optics William Optics Gran Turismo 81 Triplet APO Refractor - A-F81GTII
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  • William Optics William Optics ZenithStar 126 APO Doublet Refractor w/ 3.3" Focuser - A-Z126-RP33
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  • William Optics William Optics ZenithStar 81 APO Doublet Refractor - A-Z81
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  • William Optics William Optics Zenithstar 103 Imaging APO Refractor with Bahtinov Mask Cover - A-Z103
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  • William Optics William Optics RedCat 51 Refractor Telescope - A-RC51-RD
    $698.00
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  • William Optics 73mm ZenithStar Doublet APO Refractor Telescope
    William Optics William Optics Gold ZenithStar 73 f/5.9 FPL53 APO Doublet Refractor - A-Z73GD
    $618.00
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William Optics provides quality refractors, mounts, and accessories such as eyepieces, diagonals, and mounting hardware for amateur astronomers around the world. The CEO of the company is David Yang, an avid amateur astronomer and bird-watcher who feels strongly about offering premium optics to everyone with an interest in astronomy or nature, and not just to those with plenty of cash to spare.

When William Yang was a child, he thumbed through the pages of Sky & Telescope magazine and gazed at the beautiful images of our universe laid before him. His family could not afford to buy him a telescope, but he could dream of a day when he would be able to photograph galaxies and nebulae like the astrophotographers he admired so much. In 1986, David saved up all summer to buy a telescope to watch Halley's Comet, but before that he tried his hand at building his own telescopes with whatever supplies he could find; he even "borrowed" his grandmother's eyeglasses to use as the lenses for his first refractor!

In 1996, David opened William Optics in Taiwan. Four years later, in 2000, William Optics USA began by offering their break-out 80mm Megrez refractor to consumers in the United States. The quality, as well as the price, was amazing, and before long, William Optics had positioned themselves as one of the world leaders in fast, highly portable quality refractors.

William Optics also makes some great telescope accessories. Their WO Diagonals are celebrated the world over for their machining and optical quality, and their Ultra Wide Angle (UWA) and Super Wide Angle (SWA) eyepieces, with their unusual jet-black insertion barrels, have come to be known for their quality, but at an affordable price. We think William Yang has achieved what he set out to do; providing "More Quality for Less Money"; and we look forward to what he plans to do next!

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