William Optics

Manufacturer of refractor telescopes, binoculars, digital camera adapter lenses for telescopes, eyepieces, diagonals and other accessories. Based in Taiwan and founded by William Yang.

William Optics

73 Products

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  • William Optics 0.8X Reducer & Field Flattener for FLT91 - FLAT6AIII-M92
    William Optics

    William Optics 0.8X Reducer & Field Flattener for FLT91 - FLAT6AIII-M92

    In Stock
    $396.00 CAD
  • William Optics 1.25" 45° Erect Prism - D-EP125
    William Optics

    William Optics 1.25" 45° Erect Prism - D-EP125

    Out of stock
    $124.00 CAD
  • William Optics 1.25" RedCat/WhiteCat Erecting Prism In Silver Color - D-EP90-125-RC51-SL
    William Optics

    William Optics 1.25" RedCat/WhiteCat Erecting Prism In Silver Color - D-EP90-125-RC51-SL

    In Stock
    $185.00 CAD
  • William Optics 1.25" RotoLock Adapter - Gold color -F-ROTO-A2-125GDII
    William Optics

    William Optics 1.25" RotoLock Adapter - Gold color -F-ROTO-A2-125GDII

    Out of stock
    $72.00 CAD
  • William Optics 1.25" RotoLock Adapter - Red color - F-ROTO-A2-125RDII
    William Optics

    William Optics 1.25" RotoLock Adapter - Red color - F-ROTO-A2-125RDII

    Out of stock
    $72.00 CAD
  • William Optics 20 mm SWA 72-Degree 1.25" Eyepiece - E-SWA20
    William Optics

    William Optics 20 mm SWA 72-Degree 1.25" Eyepiece - E-SWA20

    Only 3 left
    $109.00 CAD
  • William Optics 2X Barlow 1.25" Nosepiece For Binoviewer - E-Bino-B2
    William Optics

    William Optics 2X Barlow 1.25" Nosepiece For Binoviewer - E-Bino-B2

    Out of stock
    $59.00 CAD
  • William Optics 32mm UniGuide Guide Scope - Red - M-G32PB-RED
    William Optics

    William Optics 32mm UniGuide Guide Scope - Red - M-G32PB-RED

    Out of stock
    $154.00 CAD
    Out of stock
  • William Optics 33 mm SWA 72-Degree 2" Eyepiece - E-SWA33
    William Optics

    William Optics 33 mm SWA 72-Degree 2" Eyepiece - E-SWA33

    Only 1 left
    $163.00 CAD
  • William Optics 90mm Mounting Rings - M-M80R-B
    William Optics

    William Optics 90mm Mounting Rings - M-M80R-B

    In Stock
    $200.00 CAD
  • William Optics Adjustable Field Flattener 61A for Z61 Telescope (OPEN BOX) - P-FLAT 61A
    William Optics

    William Optics Adjustable Field Flattener 61A for Z61 Telescope (OPEN BOX) - P-FLAT 61A

    Only 1 left
    $309.00 CAD
  • William Optics Adjustable Field Flattener For FLT132 or GT102 or GT153 - P-FLAT68III
    William Optics

    William Optics Adjustable Field Flattener For FLT132 or GT102 or GT153 - P-FLAT68III

    Out of stock
    $886.00 CAD
  • William Optics Binoviewer with 1.6X Barlow Nosepiece & 20 mm Eyepieces - E-BINO-P
    William Optics

    William Optics Binoviewer with 1.6X Barlow Nosepiece & 20 mm Eyepieces - E-BINO-P

    Out of stock
    $419.00 CAD
  • William Optics Blue Bahtinov Mask Cover- For WO GT102 and Z103 Telescopes - CPBM-102BU
    William Optics

    William Optics Blue Bahtinov Mask Cover- For WO GT102 and Z103 Telescopes - CPBM-102BU

    Out of stock
    $185.00 CAD
  • William Optics Cat Mounting Ring - M-MR50RC-BL
    William Optics

    William Optics Cat Mounting Ring - M-MR50RC-BL

    Out of stock
    $58.00 CAD
  • William Optics Diffraction Spikes Bahtinov Focusing Mask - Dew Shield 243 mm to 308 mm - BM-DS-GR150
    William Optics

    William Optics Diffraction Spikes Bahtinov Focusing Mask - Dew Shield 243 mm to 308 mm - BM-DS-GR150

    Out of stock
    $122.00 CAD
  • William Optics Diffraction Spikes Bahtinov Focusing Mask - For Dew Shield 105 mm to 148 mm - BM-DS-GR55
    William Optics

    William Optics Diffraction Spikes Bahtinov Focusing Mask - For Dew Shield 105 mm to 148 mm - BM-DS-GR55

    Out of stock
    $76.00 CAD
  • William Optics Diffraction Spikes Bahtinov Focusing Mask - For Dew Shield 172 mm to 235 mm - BM-DS-GR90
    William Optics

    William Optics Diffraction Spikes Bahtinov Focusing Mask - For Dew Shield 172 mm to 235 mm - BM-DS-GR90

    Out of stock
    $107.00 CAD
  • William Optics Diffraction Spikes Bahtinov Focusing Mask - For Dew Shield 75 mm to 110 mm - BM-DS-GR45
    William Optics

    William Optics Diffraction Spikes Bahtinov Focusing Mask - For Dew Shield 75 mm to 110 mm - BM-DS-GR45

    Out of stock
    $66.00 CAD
  • William Optics Dura Bright 1.25" Dielectric Diagonal - 1/10 Wave - 99% - 12 mm Mirror - Carbon Plates - D-125D-C-DB
    William Optics

    William Optics Dura Bright 1.25" Dielectric Diagonal - 1/10 Wave - 99% - 12 mm Mirror - Carbon Plates - D-125D-C-DB

    Out of stock
    $149.00 CAD
  • William Optics Dura Bright 2" Dielectric Diagonal for SCT - D-DIG2D-C-DB-SCT
    William Optics

    William Optics Dura Bright 2" Dielectric Diagonal for SCT - D-DIG2D-C-DB-SCT

    Out of stock
    $232.00 CAD
  • William Optics Dura-Bright Carbon Fiber Dielectric Diagonal - 2" - D-DIG2D-C-DB
    William Optics

    William Optics Dura-Bright Carbon Fiber Dielectric Diagonal - 2" - D-DIG2D-C-DB

    Out of stock
    $213.00 CAD
  • William Optics Field Flattener 68 II - P-FLAT68II
    William Optics

    William Optics Field Flattener 68 II - P-FLAT68II

    Only 1 left
    $469.00 CAD
  • William Optics FLT 156 Triplet Fluorostar Air-Spaced APO Gold OTA - A-F156GD-RP37
    William Optics

    William Optics FLT 156 Triplet Fluorostar Air-Spaced APO Gold OTA - A-F156GD-RP37

    Out of stock
    $9,987.00 CAD