Vixen PORTA II-A81M Telescope

Vixen PORTA II-A81M Telescope

Code: VX39967    Brand: Vixen   
  • 81mm Apochromatic Refractor OTA
  • 910mm Focal Length, f/11 Focal Ratio
  • Multi-Coated Crown and Flint Glass
  • Dual 1.25" Eyepiece Holders
  • Internal Flip-Mirror Mechanism
  • Threads for Optional Camera T-Rings
  • Tube Ring Set with Carry Handle
  • Vixen-Style Dovetail Mounting Plate
  • Manufactured and Assembled in Japan
  •  NO STOCK
    $1,692.90
    APN:
    Supplier Code: 39967

    A great package for the beginner.

    The well designed achromatic objective lens with 81mm aperture is a great package for beginning your journey as a serious observer.

    This optical performance also makes the A81M an ideal choice for astrophotography. To make imaging easier, Vixen integrates a 90° flip mirror with two 1.25" eyepiece holders. For imaging, the rig is set at the back of the diagonal using an optional T-ring screwed directly onto the holder or other imaging configurations, with an eyepiece at the 90° position.

    Optical Design Apochromatic refractor
    Optical Lens Diameter 81mm
    Focal Length 910mm
    Focal Ratio f/11.2
    Eyepiece Barrel Diameter 2 x 3.175 cm
    Diagonal 90°, with internal flip mirror
    2 x 1.25" eyepiece holders
    Optical Tube Dimensions(WxL) Length: 35.0" / 89.1 cm
    Diameter: 3.5" / 9.0 cm
    Mount Type Vixen-style dovetail
    Finderscope Red-dot finder
    Tripod 2-Section aluminum
    Weight(OTA only) 3.5 kg
  • Vixen Optics A81M 81mm f/11 APO Refractor Telescope
  • Red-Dot Finderscope
  • Tube Ring Set
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    OVERVIEW

    A great package for the beginner.

    The well designed achromatic objective lens with 81mm aperture is a great package for beginning your journey as a serious observer.

    This optical performance also makes the A81M an ideal choice for astrophotography. To make imaging easier, Vixen integrates a 90° flip mirror with two 1.25" eyepiece holders. For imaging, the rig is set at the back of the diagonal using an optional T-ring screwed directly onto the holder or other imaging configurations, with an eyepiece at the 90° position.

    SPECIFICATIONS

    Optical Design Apochromatic refractor
    Optical Lens Diameter 81mm
    Focal Length 910mm
    Focal Ratio f/11.2
    Eyepiece Barrel Diameter 2 x 3.175 cm
    Diagonal 90°, with internal flip mirror
    2 x 1.25" eyepiece holders
    Optical Tube Dimensions(WxL) Length: 35.0" / 89.1 cm
    Diameter: 3.5" / 9.0 cm
    Mount Type Vixen-style dovetail
    Finderscope Red-dot finder
    Tripod 2-Section aluminum
    Weight(OTA only) 3.5 kg

    IN THE BOX

  • Vixen Optics A81M 81mm f/11 APO Refractor Telescope
  • Red-Dot Finderscope
  • Tube Ring Set