Barska Binocular Telescope

Barska Binocular Telescope -
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Item # 2966540


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1. Extended Coverage Plan Terms

Avoid costly repairs with an extended coverage plan.

Size: AB10520 - 40X100

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Product Details

With extra-large 100 mm objective lenses and 20x/40x eyepieces, this Barska® binocular telescope is ideal for celestial or long-range terrestrial viewing. The rigid all-metal construction is both waterproof and fogproof for reliable use in the field, and multi-coated optics provide enhanced optical clarity, even in low-light conditions. A lens cloth and premium foam-lined hard carrying case are included.


  • For celestial or terrestrial observation
  • Rigid all-metal body
  • High-quality BaK-4 prisms
  • Multi-coated optics
  • Large, semi-apochromatic 100 mm objective lenses
  • Dual-power interchangeable 20x and 40x eyepieces
  • Tripod-adaptable fittings for side and bottom mounting
  • Waterproof, fogproof design
  • Includes deluxe foam-lined hard carrying case and lens cloth
  • Tripod sold separately
  • 1-year limited manufacturer's warranty


  • Model Number: AB10520
  • Magnification: 20x, 40x power interchangeable eyepieces
  • Objective Lens: 100 mm
  • Prism Type: Porro
  • Prism Glass: BaK-4
  • Exit Pupil: 5 mm @ 20x, 2.5 mm @ 40x
  • Optical Coating: Multi coated
  • Focusing System: Individual
  • Field of View (@ 1000 yds): 131 ft @ 20x, 63.9 ft @ 40x
  • Close Focus: 65.6'
  • Eye Relief: 23.6 mm @ 20x, 18.4 mm @ 40x
  • Weight: 16 lbs

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