Yes, our inventory is accurate!
Qualifies for Free Ground Economy Shipping (CONUS Only)
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
-Barlow nosepiece (1.6x) for easier focusing with most telescopes! It can be mounted on other eyepieces too!
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!
Specifications
| Prism material | BaK-4 FMC |
| IP Accommodation | 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) |