William Optics BinoViewer

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

The price is very inviting, but the experience of tridimensional two-eye viewing is even better!

WO Fit & Finish

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

BAK4 Prisms

• Only 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.

Specification

• 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)