The BT81S-A Binocular Telescope features newly designed air-spaced doublet objective lenses which correct chromatic aberration very pleasantly and produce magnificent views with both eyes.
The eyepiece holders are tilted at a 45°angle for easier viewing, and the lightweight and handy short body allows you take the BT81S-A easily to remote observing sites.This large aperture, 81mm binocular is great for viewing the night sky or as a terrestrial binocular for making the most out of a good view.The unit remains portable enough, at just 4.1kg (9lbs) in weight, so that it can be taken to a dark sky location very easily.In addition to this, using any pair of Vixen NLV or LVW matched eyepieces are recommended to give a wide range of magnifications.
The optics a multicoated for maximum light transmission. Each optical assembly is precisely aligned at the Vixen assembly plant in Japan so as to give the sharpest images possible.The optics a multicoated for maximum light transmission. Each optical assembly is precisely aligned at the Vixen assembly plant in Japan so as to give the sharpest images possible.Vixen's HF2 fork mount and tripod is recommended. Can also be mounted on a heavy duty tripod using the dovetail mount.
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. Use with Vixen's NLV or LVW series Eyepieces for fantastic views.
|Included Accessories||45 degree eyepiece angle|
|Light Gathering Power||134x|