Focusing by William Optics

  • Innovative Bahtinov Mask Cover (Patented) for WO FLT132 (CPBM-132)
    William Optics
    Vendor
    William Optics
    Regular price
    $178
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  • Innovative Bahtinov Mask Cover (Patented) for WO 102 & 103 Series Telescopes (CPBM-102)
    William Optics
    Vendor
    William Optics
    Regular price
    $118
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  • Bahtinov Mask Cover (Patented) for WO 81 Series Telescopes (CPBM-81)
    William Optics
    Vendor
    William Optics
    Regular price
    $98
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  • Bahtinov Mask Cover (Patented) for WO 70 Series Telescopes (CPBM-71)
    William Optics
    Vendor
    William Optics
    Regular price
    $88
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  • Bahtinov Mask Cover for WO Z61 (CPBM-61)
    William Optics
    Vendor
    William Optics
    Regular price
    $78
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  • D-ROTO-A2 diagonal upgrade
    William Optics
    Vendor
    William Optics
    Regular price
    $89
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  • D-ROTO-A2-SCT328F(with 3.28 inch (female) adapter)
    William Optics
    Vendor
    William Optics
    Regular price
    $99
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Personal Upgrade Path

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