Vixen BT81S-A Astronomical Binoculars - Body Only

  • Sale
  • Regular price $999.00
  • Vixen BT81S-A Astronomical Binoculars - Body Only

    • Sale
    • Regular price $999.00
    • ITEM #



    Vixen BT81S-A Astronomical Binoculars - Body Only

    Vixen BT81S-A Astronomical Binoculars - Body Only

    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.

    Vixen BT81S-A Astronomical Binoculars Features

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

    Additional Information

    Angular Field of ViewNot supplied by manufacturer
    Aperture81 mm (3.19")
    BK 7 or BAK 44
    Case IncludedNo
    Close FocusVariable by eyepieces
    Compass includedNo
    Exit PupilVariable by eyepieces
    Eye ReliefVariable by eyepieces
    Focusing SystemIndividual E
    Interpupillary Distance Range2.2" to 4"
    Linear FOV at 1000 YardsNot supplied by manufacturer
    Magnification RangeVariable
    MaterialNot supplied by manufacturer
    ModelVixen Astronomical
    Optical CoatingsCoated
    Prism TypePorro Prism
    Size18.9" x 7.4" x 6"
    Tripod AdaptableYes
    Tripod Adapter IncludedYes
    WarrantyLifetime Warranty

    Questions & Answers

    Ask a Question
    • Would a pair of Vixen Zoom eyepieces fit this particular binocular? Would they bring the image to focus at various magnifications. Thank you so much!

      Yes, you can use the vixen zoom eyepieces with these bino's. The hardest part will be matching the zoom of each eyepiece which will require you to remove each one to match the appropriate zoom to maximize the viewing capabilities without suffering some er

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