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ZWO Seestar S30 Desktop
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
William Optics

William Optics

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    $17,998.00 USD
    $17,998.00 USD - $17,998.00 USD
    $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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    $7,398.00 USD
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    $7,398.00 USD
    $7,028.00 USD
    $7,028.00 USD - $7,028.00 USD
    $7,028.00 USD

    William Optics Fluorostar 156

    Options available

    156mm APO F/6.7 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for astrophotography with...

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    $7,398.00 USD
    $7,398.00 USD - $7,398.00 USD
    $7,398.00 USD
    $7,028.00 USD
    $7,028.00 USD - $7,028.00 USD
    $7,028.00 USD
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    $4,378.00 USD - $5,668.00 USD
    $4,378.00 USD - $5,668.00 USD
    $4,378.00 USD
    $4,159.00 USD - $5,385.00 USD
    $4,159.00 USD - $5,385.00 USD
    $4,159.00 USD

    William Optics Fluorostar 132

    Options available

    132mm APO F/6.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for astrophotography with...

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    $4,378.00 USD - $5,668.00 USD
    $4,378.00 USD - $5,668.00 USD
    $4,378.00 USD
    $4,159.00 USD - $5,385.00 USD
    $4,159.00 USD - $5,385.00 USD
    $4,159.00 USD
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    $3,798.00 USD
    $3,798.00 USD - $3,798.00 USD
    $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
    $3,608.00 USD - $3,608.00 USD
    $3,608.00 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
    $3,418.00 USD - $3,418.00 USD
    $3,418.00 USD
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    $3,298.00 USD
    $3,298.00 USD - $3,298.00 USD
    $3,298.00 USD
    $3,133.00 USD
    $3,133.00 USD - $3,133.00 USD
    $3,133.00 USD

    William Optics Fluorostar 120

    Options available

    120mm APO F/6 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for astrophotography with t...

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    $3,298.00 USD
    $3,298.00 USD - $3,298.00 USD
    $3,298.00 USD
    $3,133.00 USD
    $3,133.00 USD - $3,133.00 USD
    $3,133.00 USD
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    $2,598.00 USD
    $2,598.00 USD - $2,598.00 USD
    $2,598.00 USD
    $2,468.00 USD
    $2,468.00 USD - $2,468.00 USD
    $2,468.00 USD

    William Optics Cat 91 WIFD

    Options available

    Petzval Design, No Backfocus Hassles Full-Frame & Medium-Format Ready, No Extra Flattener Needed Fast f/4.9 Focal Ratio Seamle...

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    $2,598.00 USD
    $2,598.00 USD - $2,598.00 USD
    $2,598.00 USD
    $2,468.00 USD
    $2,468.00 USD - $2,468.00 USD
    $2,468.00 USD
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    $1,998.00 USD
    $1,998.00 USD - $1,998.00 USD
    $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
    $1,998.00 USD - $1,998.00 USD
    $1,998.00 USD
    $1,898.00 USD
    $1,898.00 USD - $1,898.00 USD
    $1,898.00 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 Gran Turismo WIFD 81

    Options available

    81mm APO F/5.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for astrophotography with ...

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    $1,998.00 USD
    $1,998.00 USD - $1,998.00 USD
    $1,998.00 USD
    $1,898.00 USD
    $1,898.00 USD - $1,898.00 USD
    $1,898.00 USD
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    $1,998.00 USD
    $1,998.00 USD - $1,998.00 USD
    $1,998.00 USD
    $1,898.00 USD
    $1,898.00 USD - $1,898.00 USD
    $1,898.00 USD

    William Optics Fluorostar 91

    Options available

    91mm APO using FPL-53 Glass F/5.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Take your astrophotography t...

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    $1,998.00 USD
    $1,998.00 USD - $1,998.00 USD
    $1,998.00 USD
    $1,898.00 USD
    $1,898.00 USD - $1,898.00 USD
    $1,898.00 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
    $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
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    $1,098.00 USD
    $1,098.00 USD - $1,098.00 USD
    $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
    $1,098.00 USD - $1,098.00 USD
    $1,098.00 USD
    $1,043.00 USD
    $1,043.00 USD - $1,043.00 USD
    $1,043.00 USD
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    $933.00 USD
    $933.00 USD - $933.00 USD
    $933.00 USD
    $886.00 USD
    $886.00 USD - $886.00 USD
    $886.00 USD

    William Optics Gran Turismo 71 APO Triplet

    WO-A-F71GTII-RD

    71mm APO Triplet F/5.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for astrophotograp...

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    $933.00 USD
    $933.00 USD - $933.00 USD
    $933.00 USD
    $886.00 USD
    $886.00 USD - $886.00 USD
    $886.00 USD
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    $898.00 USD
    $898.00 USD - $898.00 USD
    $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
    $898.00 USD - $898.00 USD
    $898.00 USD
    $853.00 USD
    $853.00 USD - $853.00 USD
    $853.00 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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    $798.00 USD
    $798.00 USD - $798.00 USD
    $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
    $758.00 USD - $758.00 USD
    $758.00 USD
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    $806.00 USD
    $806.00 USD - $806.00 USD
    $806.00 USD
    $725.00 USD
    $725.00 USD - $725.00 USD
    $725.00 USD

    William Optics RC Focuser w/ Optional 0.8x RC Reducer Flattener

    Options available

    Provides precise focusing for Ritchey-Chrétien telescopes Includes an optional 0.8x reducer flattener for improved image quality Description...

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    $806.00 USD
    $806.00 USD - $806.00 USD
    $806.00 USD
    $725.00 USD
    $725.00 USD - $725.00 USD
    $725.00 USD
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    $806.00 USD
    $806.00 USD - $806.00 USD
    $806.00 USD
    $725.00 USD
    $725.00 USD - $725.00 USD
    $725.00 USD

    William Optics WO x0.72 Reducer Flattener 8

    WO-P-FLAT8

    0.72x reducer/flattener for William Optics refractor telescopes Reduces focal length and corrects field curvature for improved astrophotogra...

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    $806.00 USD
    $806.00 USD - $806.00 USD
    $806.00 USD
    $725.00 USD
    $725.00 USD - $725.00 USD
    $725.00 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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    $761.00 USD
    $761.00 USD - $761.00 USD
    $761.00 USD
    $685.00 USD
    $685.00 USD - $685.00 USD
    $685.00 USD

    William Optics Mortar Tri-Pier w/ Bag

    WO-YG-MT1000BR

    Pier System designed for telescopes and instruments Offers high stability and adjustability Description In the Box Warranty The...

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    $761.00 USD
    $761.00 USD - $761.00 USD
    $761.00 USD
    $685.00 USD
    $685.00 USD - $685.00 USD
    $685.00 USD
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    $691.00 USD
    $691.00 USD - $691.00 USD
    $691.00 USD
    $622.00 USD
    $622.00 USD - $622.00 USD
    $622.00 USD

    William Optics x0.8 Reducer Flattener 7A

    WO-P-FLAT7A

    0.8x reducer/flattener for William Optics refractor telescopes Reduces focal length while correcting field curvature Description ...

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    $691.00 USD
    $691.00 USD - $691.00 USD
    $691.00 USD
    $622.00 USD
    $622.00 USD - $622.00 USD
    $622.00 USD
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    $656.00 USD
    $656.00 USD - $656.00 USD
    $656.00 USD
    $590.00 USD
    $590.00 USD - $590.00 USD
    $590.00 USD

    William Optics Flattener 68III

    WO-P-FLAT68III

    Designed specifically for William Optics 68mm f/6 refractor telescopes Corrects field curvature for improved edge-to-edge sharpness De...

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    $656.00 USD
    $656.00 USD - $656.00 USD
    $656.00 USD
    $590.00 USD
    $590.00 USD - $590.00 USD
    $590.00 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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    $438.00 USD
    $438.00 USD - $438.00 USD
    $438.00 USD
    $416.00 USD
    $416.00 USD - $416.00 USD
    $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
    $416.00 USD - $416.00 USD
    $416.00 USD
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