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William Optics

William Optics

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    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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    William Optics Fluorostar 156

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    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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    William Optics Fluorostar 132

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    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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    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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    William Optics UltraCat 108 f/4.8 WIFD

    WO-T-C-108BR

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    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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    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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    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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    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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    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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    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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    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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    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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    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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    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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    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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    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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    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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    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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    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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    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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    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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    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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    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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