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Vixen Telescope AP-SD81S

Vixen Telescope AP-SD81S


Optical Tube

  • Objective Lens

    D=81mm, SD Apochrimatic, Multi Coated

  • Focal length (Focal ratio)

    F=625mm (f7.7)

  • Resolving power / Limiting magnitude

    1.43 arc seconds / 11.3

  • Light gathering power

    134× unaided eye

  • Dimensions / Weight

    90mm dia × 585mm long / 3.6kg (Net 2.3kg)

  • Finder scope

    XY red Dot Finder Ⅱ (zero power)


  • Focusing mechanism

    Rack-and-pinion (with focus lock)

  • Adapter threads / Visual back

    60mm and 42mm for T-ring / 50.8mm push fit

  • Accessories

    Tube rings, Dovetail tube plate, Metal carry handle

  • Eyepieces

    SLV20mm (31X, 97' field of view), SLV5mm (125X, 24' field of view)

  • Leg type, material

    3-section aluminum legs with quick-release leg clamps

  • Size / Weight

    Adjustable from 570mm to 1296mm in length, from 526mm to 1159mm in height, setup radius from 350mm to 710mm / 3.0kg


  • Accessories

    Parts case, Counterweight 1 kg × 1, 1.9kg × 1

  • Photography

    Usable with Prime focus, Eyepiece projection and Aforcal imaging

  • Solar observation

    Available with sun projection screen set B

  • Total weight

    13.1kg (without battries and without eyepieces)


  • Optical tube assembly
  • AP equatorial mount
  • APP-TL130 tripod


  • Counterweight 1.9kg x 1, 1kg× 1
  • Parts case
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