Refractors
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Original price $438.00 USD - Original price $438.00 USDOriginal price$438.00 USD$438.00 USD - $438.00 USDCurrent price $438.00 USDWilliam Optics GuideStar 61
Options available61mm aperture apochromatic refractor telescope Versatile instrument for both guiding and wide-field astrophotography Description ...
View full detailsOriginal price $438.00 USD - Original price $438.00 USDOriginal price$438.00 USD$438.00 USD - $438.00 USDCurrent price $438.00 USD -
Original price $898.00 USD - Original price $898.00 USDOriginal price$898.00 USD$898.00 USD - $898.00 USDCurrent price $898.00 USDWilliam Optics MiniCat 51 WIFD f/3.5
WO-T-C-MINI-RD5 in stockThe MiniCat51 is a versatile and powerful option for astrophotography enthusiasts, offering superior optics in a sleek, portable design. Its WIFD ...
View full detailsOriginal price $898.00 USD - Original price $898.00 USDOriginal price$898.00 USD$898.00 USD - $898.00 USDCurrent price $898.00 USD -
Original price $3,798.00 USD - Original price $3,798.00 USDOriginal price$3,798.00 USD$3,798.00 USD - $3,798.00 USDCurrent price $3,798.00 USDWilliam Optics Pleiades 111 Astrograph F/4.8 7-element WIFD
WO-T-P-111BU7-Element APO Refractor Design F/4.8 Fast Focal Ratio Wide Image Field Design (WIFD) Portable and Versatile Description Specifications I...
View full detailsOriginal price $3,798.00 USD - Original price $3,798.00 USDOriginal price$3,798.00 USD$3,798.00 USD - $3,798.00 USDCurrent price $3,798.00 USD -
Original price $17,998.00 USD - Original price $17,998.00 USDOriginal price$17,998.00 USD$17,998.00 USD - $17,998.00 USDCurrent price $17,998.00 USDWilliam Optics Pleiades 181 Astrograph F/5.5 7-element with 3 ED glasses
WO-T-P-181RD7-Element APO with 3 ED Glasses Refractor Design F/5.5 Fast Focal Ratio Portable and Versatile Description Specifications In the Box ...
View full detailsOriginal price $17,998.00 USD - Original price $17,998.00 USDOriginal price$17,998.00 USD$17,998.00 USD - $17,998.00 USDCurrent price $17,998.00 USD -
Original price $1,998.00 USD - Original price $1,998.00 USDOriginal price$1,998.00 USD$1,998.00 USD - $1,998.00 USDCurrent price $1,998.00 USDWilliam Optics Pleiades 68 Astrograph F/3.8 7-Element WIFD
WO-T-P-68BU7-Element APO Refractor Design F/3.8 Fast Focal Ratio WO Internal Focuser Design (WIFD) Portable and Versatile Description Specifications In th...
View full detailsOriginal price $1,998.00 USD - Original price $1,998.00 USDOriginal price$1,998.00 USD$1,998.00 USD - $1,998.00 USDCurrent price $1,998.00 USD -
Original price $798.00 USD - Original price $798.00 USDOriginal price$798.00 USD$798.00 USD - $798.00 USDCurrent price $798.00 USDWilliam Optics Redcat 51 WIFD
WO-L-RC51RDIII2 in stock51mm 4-elements Petzval refractor 250mm focal length - f/4.9 focal ratio 48mm image circle - No field flattener required! WIFD focuser design D...
View full detailsOriginal price $798.00 USD - Original price $798.00 USDOriginal price$798.00 USD$798.00 USD - $798.00 USDCurrent price $798.00 USD -
Original price $1,098.00 USD - Original price $1,098.00 USDOriginal price$1,098.00 USD$1,098.00 USD - $1,098.00 USDCurrent price $1,098.00 USDWilliam Optics RedCat 61 WIFD
WO-L-RC614 in stock51mm 4-elements Petzval refractor 300mm focal length - f/4.9 focal ratio 46mm image circle - No field flattener required WIFD focuser design ...
View full detailsOriginal price $1,098.00 USD - Original price $1,098.00 USDOriginal price$1,098.00 USD$1,098.00 USD - $1,098.00 USDCurrent price $1,098.00 USD -
Original price $1,398.00 USD - Original price $1,398.00 USDOriginal price$1,398.00 USD$1,398.00 USD - $1,398.00 USDCurrent price $1,398.00 USDWilliam Optics Redcat 71 WIFD
WO-T-C-71RDII3 in stock71mm APO F/4.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for astrophotography with ...
View full detailsOriginal price $1,398.00 USD - Original price $1,398.00 USDOriginal price$1,398.00 USD$1,398.00 USD - $1,398.00 USDCurrent price $1,398.00 USD -
Original price $3,598.00 USD - Original price $3,598.00 USDOriginal price$3,598.00 USD$3,598.00 USD - $3,598.00 USDCurrent price $3,598.00 USDWilliam Optics UltraCat 108 f/4.8 WIFD
WO-T-C-108BR1 in stockOriginal price $3,598.00 USD - Original price $3,598.00 USDOriginal price$3,598.00 USD$3,598.00 USD - $3,598.00 USDCurrent price $3,598.00 USD -
Original price $1,398.00 USD - Original price $1,398.00 USDOriginal price$1,398.00 USD$1,398.00 USD - $1,398.00 USDCurrent price $1,398.00 USDWilliam Optics UltraCat 56 f/4.8 WIFD
WO-T-C-56BR3 in stockOriginal price $1,398.00 USD - Original price $1,398.00 USDOriginal price$1,398.00 USD$1,398.00 USD - $1,398.00 USDCurrent price $1,398.00 USD -
Original price $1,888.00 USD - Original price $1,888.00 USDOriginal price$1,888.00 USD$1,888.00 USD - $1,888.00 USDCurrent price $1,888.00 USDWilliam Optics UltraCat 76 f/4.8 WIFD
WO-T-C-76BROriginal price $1,888.00 USD - Original price $1,888.00 USDOriginal price$1,888.00 USD$1,888.00 USD - $1,888.00 USDCurrent price $1,888.00 USD -
Original price $599.00 USD - Original price $599.00 USDOriginal price$599.00 USD$599.00 USD - $599.00 USDCurrent price $599.00 USDWilliam Optics Zenithstar 61II APO
Options available61mm APO using FPL-53 Glass F/5.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for ast...
View full detailsOriginal price $599.00 USD - Original price $599.00 USDOriginal price$599.00 USD$599.00 USD - $599.00 USDCurrent price $599.00 USD -
Original price $730.00 USD - Original price $730.00 USDOriginal price$730.00 USD$730.00 USD - $730.00 USDCurrent price $730.00 USDWilliam Optics Zenithstar 73 III APO
Options available73mm APO using FPL-53 Glass F/5.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for ast...
View full detailsOriginal price $730.00 USD - Original price $730.00 USDOriginal price$730.00 USD$730.00 USD - $730.00 USDCurrent price $730.00 USD -
Original price $888.00 USD - Original price $888.00 USDOriginal price$888.00 USD$888.00 USD - $888.00 USDCurrent price $888.00 USDWilliam Optics Zenithstar 81 APO
Options available1 variants in stock81mm APO using FPL-53 Glass F/6.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your pa...
View full detailsOriginal price $888.00 USD - Original price $888.00 USDOriginal price$888.00 USD$888.00 USD - $888.00 USDCurrent price $888.00 USD -
Original price $2,499.00 USD - Original price $2,499.00 USDOriginal price$2,499.00 USD$2,499.00 USD - $2,499.00 USDCurrent price $2,499.00 USDZWO FF107-APO Quadruplet Refractor F/7
ZWO-FF107-APO1 in stockAperture of 107 mm Focal Length of 749mm Focal Ratio of f/7 Quadruplet APO Full Frame Imaging Circle Supported No need for flattener No need to ca...
View full detailsOriginal price $2,499.00 USD - Original price $2,499.00 USDOriginal price$2,499.00 USD$2,499.00 USD - $2,499.00 USDCurrent price $2,499.00 USD -
Original price $3,499.00 USD - Original price $3,499.00 USDOriginal price$3,499.00 USD$3,499.00 USD - $3,499.00 USDCurrent price $3,499.00 USDZWO FF130-APO Quadruplet Refractor F/7
ZWO-FF130-APOAperture of 130 mm Focal Length of 1000mm Focal Ratio of f/7.7 Quadruplet APO ...
View full detailsOriginal price $3,499.00 USD - Original price $3,499.00 USDOriginal price$3,499.00 USD$3,499.00 USD - $3,499.00 USDCurrent price $3,499.00 USD -
Original price $799.00 USD - Original price $799.00 USDOriginal price$799.00 USD$799.00 USD - $799.00 USDCurrent price $799.00 USDZWO FF65-APO Quintuplet Refractor F/6.4
ZWO-FF65-APO1 in stockQuintuplet air-spaced APO F/6.4 416mm focal length 65mm aperture ...
View full detailsOriginal price $799.00 USD - Original price $799.00 USDOriginal price$799.00 USD$799.00 USD - $799.00 USDCurrent price $799.00 USD -
Original price $1,299.00 USD - Original price $1,299.00 USDOriginal price$1,299.00 USD$1,299.00 USD - $1,299.00 USDCurrent price $1,299.00 USDZWO FF80-APO Quadruplet Refractor F/6.4
ZWO-FF80-APOQuintuplet air-spaced APO High-quality ED glass Small and round stars Support full frame cameras 44mm image circle Description Specifications I...
View full detailsOriginal price $1,299.00 USD - Original price $1,299.00 USDOriginal price$1,299.00 USD$1,299.00 USD - $1,299.00 USDCurrent price $1,299.00 USD
