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Cyclops Optics

William Optics

  • William Optics FLT-132 2018 Red

    William Optics FLT-132 2018 US$3,759.98

    Special 20th Anniversary Offer 132mm f/7 apochromatic refractor. Perhaps the best 5 inch apochromatic refractor under US$4,000. The FLT-132 gathers 81% more light than the FLT-98 and about 35% higher in resolution...

  • William Optics FLT-132

    William Optics FLT-132

    William Optics 20th Anniversary Sales — 15% discount 132mm f/7 apochromatic. The FLT-132 gathers 81% more light than the FLT-98 and about 35% higher in resolution.  Fluorostar series (FLT) represents William...

  • William Optics FLT-132 2018 Red

    William Optics FLT-132 2018 with 3.5" Feather Touch & Rotolock US$4,702.20

      132mm f/7 apochromatic refractor. Perhaps the best 5 inch apochromatic refractor under US$4,000. The FLT-132 gathers 81% more light than the FLT-98 and about 35% higher in resolution.  The FLT132 represents...

  • FLT132 20th Anniversary Limited Edition Gold from Cyclops Optics

    William Optics FLT-132 20th Anniversary Edition US$3,759.98

    Special 20th Anniversary Offer 132mm f/7 apochromatic refractor. Perhaps the best 5 inch apochromatic refractor under US$4,000. The FLT-132 gathers 81% more light than the FLT-98 and about 35% higher in resolution...

  • William Optics FLT-132 Feather Touch

    William Optics FLT-132 Feather Touch

    132mm f/7 apochromatic. Perhaps the best 5 inch apochromatic refractor in the US$4,000 range. The FLT-132 gathers 81% more light than the FLT-98 and about 35% higher in resolution. Fluorostar series (FLT) represents William...

  • William Optics FLT-98

    William Optics FLT-98

    Fluorostar 98mm f/6.3 apochromatic. Fluostar series (FLT) represents William Optics' top of the line apochromatic designed for astrophotography. FLT-98 is equipped with the beefy 3.5" RotoLock focuser to carry heavy imaging...

  • William Optics FLT-98 Feather Touch

    William Optics FLT-98 Feather Touch

    Fluorostar 98mm f/6.3 apochromatic. Fluostar series (FLT) represents William Optics' top of the line apochromatic designed for astrophotography. Now FLT-98 is equipped with the beefy 3" Feather Touch focuser to carry...

  • William Optics Gran Turismo GT81 II

    William Optics Gran Turismo GT81 II US$1,197.23

    Innovative Bahtinov Mask Cover (Patented) & New Dovetail Plate included! The new 2018 GT81 three-element super APO offer superb quality for imaging and visual use at an affordable priceļ¼From the pristine white finish on...

  • William Optics GT102 102mm f/6.9 Triplet APO Package

    William Optics GT102 102mm f/6.9 Triplet APO Package US$1,885.73

    William Optics GT102 APO is a f/6.9 air-spaced triplet FPL-53 apochromat. This package includes a 0.8x Flat6A-102 reducer cum flattener specially designed for GT102 to transform it into a f/5.5 imaging APO covering full...

  • William Optics GT102 20th anniversary limited edition blue colour with Cyclops Optics free screw smoothing upgrade service

    William Optics GT102 20th Anniversary Limited Edition US$2,484.98

    In celebration of 20th anniversary at William Optics, a total of 20 units of limited edition William Optics GT102 APO are produced on this very special occasion. The recipe not only includes the amazingly sharp and colour...

  • William Optics GT71 71mm f/5.9 Triplet APO 20th Anniversary Limited Edition

    William Optics GT71 71mm f/5.9 Triplet APO 20th Anniversary Limited Edition US$1,082.48

    William Optics GT71 APO is a f/5.9 air-spaced triplet FPL-53 apochromat. This package includes a 0.8x Flat6A-81 reducer cum flattener specially designed for GT71 to transform it into a f/4.7 imaging APO covering full frame...

  • William Optics GT71 with the patented WO Bahtinov Mask Cover

    William Optics GT71 71mm f/5.9 Triplet APO Imaging Package US$1,018.73

    William Optics GT71 APO is a f/5.9 air-spaced triplet FPL-53 apochromat. This package includes a 0.8x Flat6A-II reducer cum flattener specially designed for GT71 to transform it into a f/4.7 imaging APO covering full frame...

  • William Optics GT71 71mm f/5.9 Triplet APO Package

    William Optics GT71 71mm f/5.9 Triplet APO Package US$891.23

    William Optics GT71 APO is a f/5.9 air-spaced triplet FPL-53 apochromat. This package includes a 0.8x Flat6A-81 reducer cum flattener specially designed for GT71 to transform it into a f/4.7 imaging APO covering full frame...

  • William Optics GT81 20th Anniversary Limited Edition

    William Optics GT81 20th Anniversary Limited Edition US$1,146.23

    William Optics GT81 APO is a f/5.9 air-spaced triplet FPL-53 apochromat. This package includes a 0.8x Flat6A-81 reducer cum flattener specially designed for GT81 to transform it into a f/4.7 imaging APO covering full frame...

  • William Optics GT81 81mm f/5.9 Triplet APO Package

    William Optics GT81 81mm f/5.9 Triplet APO Package

    William Optics GT81 APO is a f/5.9 air-spaced triplet FPL-53 apochromat. This package includes a 0.8x Flat6A-81 reducer cum flattener specially designed for GT81 to transform it into a f/4.7 imaging APO covering full frame...

  • William Optics GTF81 f/6.6 APO

    William Optics GTF81 f/6.6 APO

    Discontinued and succeeded by William Optics GT81 f/5.9 APO GTF 81 APO is a f/6.6 air-spaced triplet FPL-53 apochromatic with built in doublet ED flattener, a total of 5 elements in two groups design Includes GTF-81...

  • William Optics Star 71-II f/4.9 APO Astrograph

    William Optics Star 71-II f/4.9 APO Astrograph US$1,184.48

    William Optics Star 71-II is the successor to the well-aclaimed Star 71 imaging APO. Star 71-II is a f/4.9 air-spaced 4-element FPL-53 apochromatic refractor. Star 71-II's 45mm image circle is large enough to cover your 35mm...

  • William Optics Star 71-II f/4.9 APO Astrograph with Bahtinov Mask Cap

    William Optics Star 71-II f/4.9 APO Astrograph with Bahtinov Mask Cap US$1,221.45

    William Optics Star 71-II is the successor to the well-aclaimed Star 71 imaging APO. Star 71-II is a f/4.9 air-spaced 4-element FPL-53 apochromatic refractor. Star 71-II's 45mm image circle is large enough to cover your 35mm...

  • William Optics Zenithstar 103 f/6.9 APO (FREE Shipping)

    William Optics Zenithstar 103 f/6.9 APO (FREE Shipping) US$1,246.95

    New 2018 Super ZenithStar 103 F6.9 imaging APO (Innovative Bahtinov Mask Cover (Patented) included !!) We are very exciting to announce New 2018 Super ZenithStar 103 F6.9 imaging APO!!! Innovative Bahtinov...

  • William Optics Zenithstar 126 f/6.9 APO

    William Optics Zenithstar 126 f/6.9 APO US$2,113.95

      New 2018 Super ZenithStar 126 F7.7 imaging APO (Innovative Bahtinov Mask Cover (Patented) included !!) We are very exciting to announce New 2018 Super ZenithStar 126 F7.7 imaging APO!!! Innovative...

  • William Optics Zenithstar 61 f/5.9 APO

    William Optics Zenithstar 61 f/5.9 APO

    Zenithstar 61 is a greatly versatile and portable refractor telescope for beginners and veterans alike. Designed for both astrophotography and wildlife photography, high power visual observing through the Zenithstar 61 is...

  • William Optics Zenithstar 61 f/5.9 APO (with Mask Cover)

    William Optics Zenithstar 61 f/5.9 APO (with Mask Cover) US$507.45

    Zenithstar 61 is a greatly versatile and portable refractor telescope for beginners and veterans alike. Designed for both astrophotography and wildlife photography, high power visual observing through the Zenithstar 61 is...

  • William Optics Zenithstar 73 f/5.9 APO (Free Soft Carrying Bag)

    William Optics Zenithstar 73 f/5.9 APO (Free Soft Carrying Bag) US$634.95

    Zenithstar 73 is a greatly versatile and portable refractor telescope for beginners and veterans alike. Designed for both astrophotography and wildlife photography, high power visual observing through the Zenithstar 73 is...