Make a great view even better with Vixen's NEW BT81S-A Binocular Telescope. You will see spectacular views of comets and star clusters. The Magnesium Fluoride coated, air space doublet design, dramatically recuces chromatic aberration for magnificent views. This large aperture, 81mm binoculars, deliver crisp, clear images.
The BT81S-A Binocular Telescope is very portable, at just 9 lbs in weight, so that it can easily be taken to all your observing locations.
- Aperture Ratio F/5.9
- Aperture : 81mm (3.1")
- Focal length - 480mm.
- Resolving Power: 1.43 arc sec.
- Light Gathering: 134x
- Interpupillary Distance: 2.2" to 4"
- Mount Block: Dovetail Bar for SX/GP Tripods
- Visual Back: 31.7 mm - Friction Fit
- Dimensions: 18.9 x 7.4 x 6 inches
- Features: Carry Handle, Finder Bracket
- Weight : 9 lbs
Only ships in contiguous USA.
Dimensions & Specifications
With Tripod & Fork Mount and 25mm Eyepieces
Vixen Binocular Telescope
Objective Lens Diameter
Porro Prism Binoculars
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Default manufacturer warranty.
Return & Exchange Policy
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