Complete package. Everything you need to use Vixen's BT81S-A Binocular Telescope for spectacular views of comets and star clusters. This large aperture, 81mm binoculars are great for viewing the night sky or as a terrestrial binocular for making the most out of a good view. The optics are fully 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 BT81S-A binocular telescope is portable, at just 11 lbs in weight, so that it can be taken to a dark sky location very easily. The viewer has an option of attaching any SLV or LVW eyepiece to give a wide range of magnifications. Includes 2 SLV20 eyepieces, Fork Mount, Swing Bracket and Tripod