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Vixen BT81S-A Astronomical Binocular with Interchangeable Eyepieces, 14304
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 is very portable, at just 9 lbs in weight, so that it can easily be taken to all your observing locations. Use with Vixen's NLV or LVW series Eyepieces for fantastic views.
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
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