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William Optics Binoviewer

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William Optics Binoviewer

William Optics Binoviewer - experience three dimensional two-eyed viewing!

Today you can enjoy the benefits of BaK4 quality Binoviewers in your refractor, SCT or Newtonian scope with a convenient package including:

  • 1.25" Binoviewer with anti-marring compression rings 
  • 2x William Optics 20 mm WA 66 deg. eyepieces included (available optionally too) 
  • Barlow nosepiece (1.6x) for easier focusing with most telescopes! It can be mounted on other eyepieces too!
  • Exclusive gift box.

William Optics Binoviewer Fit and Finish

  • White powder painting.
  • Large chromed thumbscrews and anodized aluminum.
  • Very useful optional 2x Barlow/Correctors and extenders are available separately for telescopes with special back-focus issues.

BAK4 Prisms 

  • High-quality BaK4 prisms with 20mm clear aperture for maximum brightness and contrast with any telescope. 
  • Fully Multi Coated. 
  • Anti-marring brass compression rings for your eyepieces. 
  • Individual eyepiece focus adjustment.

William Optics Binoviewer - Choose the Best! Best price! 

  • The best quality-prism 1.25" Binoviewers package out there!
  • Sets of 2 eyepieces for binoviewing available at discount prices.

Please note: double check with us if you want to know if you can easily reach focus with any specific William Optics telescope. We cannot guarantee you will reach focus without an optical corrector/barlow with other brands telescopes; we can only report what other users told us about specific combinations.



Specifications: William Optics Binoviewer

  • Prism material - BaK-4 FMC
  • IP Accomodation - 54mm to 75mm
  • Clear Aperture - 20.2mm
  • E.P. holders - Helical focusing, compression rings
  • Dimensions - 120mm x 112mm x 42mm
  • Optical Path - 100mm (4")
  • Weight - approx. 520g (without eyepieces)

What's in the Box

What's in the Box: William Optics Binoviewer

  • William Optics Binoviewer
  • Two matching William Optics 20mm WA 66 deg Eyepieces
  • 1.6x Barlow Nosepiece
  • Gift Box
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In the case of special order items, the delivery time may be longer. If you have any concerns or questions about the delivery of your item, please don't hesitate to Contact Us. We are here to assist you.

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Please be aware that The Widescreen Centre cannot be held responsible for any postal or third-party delays that may occur. We are committed to providing a reliable and efficient delivery service for our valued customers.

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