Jacobs Digital

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9 Mokoia Road

Birkenhead, Auckland 0626

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Orion GiantView BT-100 ED 90-degree Binocular Telescope

SKU: 51878

Orion GiantView BT-100 ED 90-degree Binocular Telescope

Orion GiantView BT-100 ED 90-degree Binocular Telescope

SKU: 51878

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Our Price

or 12 months interest free


or 6 easy payments of $783.16


or 4 easy payments of $1,174.75



About this product

  • Huge 100mm objective lenses provide incredibly bright and immersive views of starry skies and daytime scenes
  • ED lenses provide the sharpest, highest contrast image possible while minimizing false colour (chromatic aberration)
  • Accepts interchangeable 1.25" eyepiece pairs for a variety of magnification options (additional eyepieces sold separately)
  • Included pair of 18mm, 65 eyepieces provide 31x views out of the box
  • Waterproof and nitrogen purged, featuring 90 eyepiece orientation (specifically geared towards comfortable astronomical viewing), and weighs in at 16.8 pounds

Comes with:

  • Orion GiantView BT-100 ED Binocular Telescope
  • Two 18mm 65° 1.25" eyepieces
  • Two objective lens caps
  • Two eyepiece caps


  • Best for viewing: Lunar & bright deep sky
  • Magnification: 31x
  • Optical diameter: 100mm
  • Field of view - angular: 2.1°
  • Field of view - linear: 54.0 ft./1000 yd
  • Apparent field of view: 65.0°
  • Eye relief: 17.0mm
  • Exit pupil: 3.3mm
  • Near focus: 90 ft.
  • Coatings: Fully multi-coated
  • Prism: BAK-4 Porro
  • Interpupillary distance range: 55mm - 83mm
  • Focus style: Individual eyepiece focus
  • Waterproof: Yes
  • Tripod adaptable: Yes
  • Diopter adjustment: Yes
  • Weight: 16.8 lbs.
  • Height: 8.0 in.
  • Additional included accessories: 18mm eyepieces (set of two), Carry handle, Eyepiece and objective lens caps
  • Other features: Nitrogen purged, Interchangeable eyepieces, Waterproof
  • Warranty: One year

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