Vixen BT81S-A Astronomical Binoculars - Two 25mm NLV Eyepieces

  • Sale
  • Regular price $1,450.00
  • Vixen BT81S-A Astronomical Binoculars - Two 25mm NLV Eyepieces

    • Sale
    • Regular price $1,450.00
    • ITEM #



    Vixen BT81S-A Astronomical Binoculars - Two 25mm NLV Eyepieces

    Vixen BT81S-A Astronomical Binoculars - Two 25mm NLV Eyepieces

    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. This model includes two Vixen 25mm NLV eyepieces for a spectacular view right out of the box!

    Vixen BT81S-A Astronomical Binoculars Features

    • Focal Ratio F/5.9
    • Aperture : 81mm (3.1")
    • Focal length - 480mm
    • Resolving Power: 1.43 arc secconds
    • Two Vixen 25mm NLV eyepieces included.
    • Features: Carry Handle, Finder Bracket
    Vixen Product Number: 14304P1

    Additional Information

    Angular Field of ViewNot supplied by manufacturer
    Aperture81 mm (3.19")
    BK 7 or BAK 44
    Case IncludedNo
    Close FocusNot supplied by manufacturer
    Compass includedNo
    Diopter Compensation 1
    Exit PupilNot supplied by manufacturer
    Focusing SystemCenter Focus Kn
    Interpupillary Distance RangeNot supplied by manufacturer
    Linear FOV at 1000 YardsNot supplied by manufacturer
    Magnification RangeDual Magnification
    ModelVixen Giant ARK
    Optical CoatingsCoated
    Prism TypePorro Prism
    SizeNot supplied by manufacturer
    Tripod AdaptableYes
    Tripod Adapter IncludedNo
    WarrantyLifetime Warranty

    Questions & Answers

    Ask a Question
    • Could this Vixen binocular be mounted on iOptron new AZ mount Pro?

      Probably, but you would need an additional heavy duty L bracket to mount the binoculars to the mount.

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