Collection: - William Optics

- William Optics

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  • Sale
    Astronomy Deal Alert: Save 11% on a William Optics Cat71 RedCat" - Display Unit
  • William Optics 0.8X Reducer & Field Flattener for FLT91 - FLAT6AIII-M92
  • William Optics 1.25" 45° Erect Prism - D-EP125
  • William Optics 1.25" RedCat/WhiteCat Erecting Prism In Silver Color - D-EP90-125-RC51-SL
  • William Optics 1.25" RotoLock Adapter - Gold color -F-ROTO-A2-125GDII
  • William Optics 1.25" RotoLock Adapter - Red color - F-ROTO-A2-125RDII
  • William Optics 20 mm SWA 72-Degree 1.25" Eyepiece - E-SWA20
  • William Optics 25 mm SWA 72-Degree 2" Eyepiece - E-SWA25
  • William Optics 2X Barlow 1.25" Nosepiece For Binoviewer - E-Bino-B2
  • William Optics 33 mm SWA 72-Degree 2" Eyepiece - E-SWA33
  • William Optics 90mm Mounting Rings - M-M80R-B
  • Sale
    William Optics Adjustable Field Flattener 61A for Z61 Telescope (OPEN BOX) - P-FLAT 61A
  • William Optics Adjustable Field Flattener For FLT132 or GT102 or GT153 - P-FLAT68III
  • William Optics Binoviewer with 1.6X Barlow Nosepiece & 20 mm Eyepieces - E-BINO-P
  • William Optics Blue Bahtinov Mask Cover- For WO GT102 and Z103 Telescopes - CPBM-102BU
  • William Optics Cat Mounting Ring - M-MR50RC-BL
  • William Optics Cat71 - RedCat 71 mm f/4.9 Petzval APO Refractor - T-C-71RD
  • William Optics Diffraction Spikes Bahtinov Focusing Mask - Dew Shield 243 mm to 308 mm - BM-DS-GR150
  • William Optics Diffraction Spikes Bahtinov Focusing Mask - For Dew Shield 105 mm to 148 mm - BM-DS-GR55
  • William Optics Diffraction Spikes Bahtinov Focusing Mask - For Dew Shield 172 mm to 235 mm - BM-DS-GR90
  • William Optics Diffraction Spikes Bahtinov Focusing Mask - For Dew Shield 75 mm to 110 mm - BM-DS-GR45
  • William Optics Dura Bright 1.25" Dielectric Diagonal - 1/10 Wave - 99% - 12 mm Mirror - Carbon Plates - D-125D-C-DB
  • William Optics Dura Bright 2" Dielectric Diagonal for SCT - D-DIG2D-C-DB-SCT
  • William Optics Dura-Bright Carbon Fiber Dielectric Diagonal - 2"  - D-DIG2D-C-DB