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BEST PACKAGE PRICE ON THE MARKET
William Optics does it better and especially cheaper! Until today, you could choose only between high-end expensive binoviewers or monocular eyepiece observation.
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.
Or go for the ROCK-BOTTOM price of the OTA version, if you already own a set of eyepieces!
The price is very inviting, but the experience of three dimensional two-eyed viewing is even better!
WO Fit & 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.
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.
Specifications
| 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) |