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ZWO Seestar S30 Desktop
Holiday Schedule: We’ll be taking a short break from December 24th to December 29th to enjoy the holidays. During this time, the store will be closed, no orders will be shipped, and support will be unavailable. Happy Holidays!
Holiday Schedule: We’ll be taking a short break from December 24th to December 29th to enjoy the holidays. During this time, the store will be closed, no orders will be shipped, and support will be unavailable. Happy Holidays!

Refractors

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    $438.00 USD
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    $438.00 USD
    $416.00 USD
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    $416.00 USD

    William Optics GuideStar 61

    Options available
    1 variants in stock

    61mm aperture apochromatic refractor telescope Versatile instrument for both guiding and wide-field astrophotography Description ...

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    $438.00 USD
    $438.00 USD - $438.00 USD
    $438.00 USD
    $416.00 USD
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    $416.00 USD
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    $898.00 USD
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    $898.00 USD
    $853.00 USD
    $853.00 USD - $853.00 USD
    $853.00 USD

    William Optics MiniCat 51 WIFD f/3.5

    WO-T-C-MINI-RD
    5 in stock

    The MiniCat51 is a versatile and powerful option for astrophotography enthusiasts, offering superior optics in a sleek, portable design. Its WIFD ...

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    $898.00 USD
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    $898.00 USD
    $853.00 USD
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    $853.00 USD
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    $3,798.00 USD
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    $3,798.00 USD
    $3,608.00 USD
    $3,608.00 USD - $3,608.00 USD
    $3,608.00 USD

    William Optics Pleiades 111 Astrograph F/4.8 7-element WIFD

    WO-T-P-111BU

    7-Element APO Refractor Design F/4.8 Fast Focal Ratio Wide Image Field Design (WIFD) Portable and Versatile Description Specifications I...

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    $3,798.00 USD
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    $3,798.00 USD
    $3,608.00 USD
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    $3,608.00 USD
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    $17,998.00 USD
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    $17,998.00 USD
    $17,098.00 USD
    $17,098.00 USD - $17,098.00 USD
    $17,098.00 USD

    William Optics Pleiades 181 Astrograph F/5.5 7-element with 3 ED glasses

    WO-T-P-181RD

    7-Element APO with 3 ED Glasses Refractor Design F/5.5 Fast Focal Ratio Portable and Versatile Description Specifications In the Box ...

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    $17,998.00 USD
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    $17,998.00 USD
    $17,098.00 USD
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    $17,098.00 USD
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    $1,998.00 USD
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    $1,998.00 USD
    $1,898.00 USD
    $1,898.00 USD - $1,898.00 USD
    $1,898.00 USD

    William Optics Pleiades 68 Astrograph F/3.8 7-Element WIFD

    WO-T-P-68BU
    1 in stock

    7-Element APO Refractor Design F/3.8 Fast Focal Ratio WO Internal Focuser Design (WIFD) Portable and Versatile Description Specifications In th...

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    $1,998.00 USD
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    $1,998.00 USD
    $1,898.00 USD
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    $1,898.00 USD
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    $798.00 USD
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    $798.00 USD
    $758.00 USD
    $758.00 USD - $758.00 USD
    $758.00 USD

    William Optics Redcat 51 WIFD

    WO-L-RC51RDIII
    1 in stock

    51mm 4-elements Petzval refractor 250mm focal length - f/4.9 focal ratio 48mm image circle - No field flattener required! WIFD focuser design D...

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    $798.00 USD
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    $798.00 USD
    $758.00 USD
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    $758.00 USD
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    $1,098.00 USD
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    $1,098.00 USD
    $1,043.00 USD
    $1,043.00 USD - $1,043.00 USD
    $1,043.00 USD

    William Optics RedCat 61 WIFD

    WO-L-RC61
    4 in stock

    51mm 4-elements Petzval refractor 300mm focal length - f/4.9 focal ratio 46mm image circle - No field flattener required WIFD focuser design ...

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    $1,098.00 USD
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    $1,098.00 USD
    $1,043.00 USD
    $1,043.00 USD - $1,043.00 USD
    $1,043.00 USD
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    $1,398.00 USD
    $1,398.00 USD - $1,398.00 USD
    $1,398.00 USD
    $1,328.00 USD
    $1,328.00 USD - $1,328.00 USD
    $1,328.00 USD

    William Optics Redcat 71 WIFD

    WO-T-C-71RDII
    3 in stock

    71mm APO F/4.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for astrophotography with ...

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    $1,398.00 USD
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    $1,398.00 USD
    $1,328.00 USD
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    $1,328.00 USD
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    $3,598.00 USD
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    $3,598.00 USD
    $3,418.00 USD
    $3,418.00 USD - $3,418.00 USD
    $3,418.00 USD

    William Optics UltraCat 108 f/4.8 WIFD

    WO-T-C-108BR

    $3,598.00 USD
    $3,598.00 USD - $3,598.00 USD
    $3,598.00 USD
    $3,418.00 USD
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    $3,418.00 USD
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    $599.00 USD
    $599.00 USD - $599.00 USD
    $599.00 USD
    $569.00 USD
    $569.00 USD - $569.00 USD
    $569.00 USD

    William Optics Zenithstar 61II APO

    Options available

    61mm APO using FPL-53 Glass F/5.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for ast...

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    $599.00 USD
    $599.00 USD - $599.00 USD
    $599.00 USD
    $569.00 USD
    $569.00 USD - $569.00 USD
    $569.00 USD
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    $730.00 USD
    $730.00 USD - $730.00 USD
    $730.00 USD
    $694.00 USD
    $694.00 USD - $694.00 USD
    $694.00 USD

    William Optics Zenithstar 73 III APO

    Options available

    73mm APO using FPL-53 Glass F/5.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for ast...

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    $730.00 USD
    $730.00 USD - $730.00 USD
    $730.00 USD
    $694.00 USD
    $694.00 USD - $694.00 USD
    $694.00 USD
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    $888.00 USD
    $888.00 USD - $888.00 USD
    $888.00 USD
    $844.00 USD
    $844.00 USD - $844.00 USD
    $844.00 USD

    William Optics Zenithstar 81 APO

    Options available
    1 variants in stock

    81mm APO using FPL-53 Glass F/6.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your pa...

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    $888.00 USD
    $888.00 USD - $888.00 USD
    $888.00 USD
    $844.00 USD
    $844.00 USD - $844.00 USD
    $844.00 USD
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  • Save 32% Save %
    $2,499.00 USD
    $2,499.00 USD - $2,499.00 USD
    $2,499.00 USD
    $1,699.00 USD
    $1,699.00 USD - $1,699.00 USD
    $1,699.00 USD

    ZWO FF107-APO Quadruplet Refractor F/7

    ZWO-FF107-APO

    Aperture 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...

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    $2,499.00 USD
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    $2,499.00 USD
    $1,699.00 USD
    $1,699.00 USD - $1,699.00 USD
    $1,699.00 USD
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    $3,499.00 USD
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    $3,499.00 USD
    $2,549.00 USD
    $2,549.00 USD - $2,549.00 USD
    $2,549.00 USD

    ZWO FF130-APO Quadruplet Refractor F/7

    ZWO-FF130-APO

    Aperture of 130 mm Focal Length of 1000mm Focal Ratio of f/7.7 Quadruplet APO ...

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    $3,499.00 USD
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    $3,499.00 USD
    $2,549.00 USD
    $2,549.00 USD - $2,549.00 USD
    $2,549.00 USD
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    $799.00 USD
    $799.00 USD - $799.00 USD
    $799.00 USD
    $679.00 USD
    $679.00 USD - $679.00 USD
    $679.00 USD

    ZWO FF65-APO Quintuplet Refractor F/6.4

    ZWO-FF65-APO
    1 in stock

    Quintuplet air-spaced APO F/6.4 416mm focal length 65mm aperture ...

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    $799.00 USD
    $799.00 USD - $799.00 USD
    $799.00 USD
    $679.00 USD
    $679.00 USD - $679.00 USD
    $679.00 USD
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    $1,299.00 USD
    $1,299.00 USD - $1,299.00 USD
    $1,299.00 USD
    $1,104.00 USD
    $1,104.00 USD - $1,104.00 USD
    $1,104.00 USD

    ZWO FF80-APO Quadruplet Refractor F/6.4

    ZWO-FF80-APO
    1 in stock

    Quintuplet air-spaced APO High-quality ED glass Small and round stars Support full frame cameras 44mm image circle Description Specifications I...

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    $1,299.00 USD
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    $1,299.00 USD
    $1,104.00 USD
    $1,104.00 USD - $1,104.00 USD
    $1,104.00 USD
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