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Binocular Delta Optical Discovery 10-22x50 (zoom)

Catalog Number: DO-1204
In stock

Details

Discovery - light and robust binoculars made by Delta Optical. Rubbered, aluminium body consist of multi-coated 8 elements / 12 groups optical design. Discovery binoculars serie consists of six models: 10x50, 12x50, 16x50, 8x40 and 10-22x50 zoom. Broad eyecups and large eye lenses make each of your observation comfortable and pleasant.

Additional Information

    10-22
  • Magnification [x]: 10
  • Objective lens diameter [mm]: 50
  • Optical coating: MC
  • Objective lens material: glass
  • Twilight factor: 22.4 - 33.2
  • Relative brightness: 5.3 - 25
  • Exit pupil diameter [mm]: 2.3 - 5.0
  • Eye relief [mm]: at magnification 10x: 19
  • Interpupillary distance adjustment [mm]: 56 - 72
  • Angular field of view [° degrees]: at magnification 10x: 3.8
  • Linear field of view at 100 m [m]: at magnification 10x: 66
  • Shortest focusing distance [m]: at magnification 10x: 8
  • Dioptre adjustment [D]: -4/+8
  • Prism system: Porro
  • Prism material: Bk7
  • Waterproof: Yes (IPX1)
  • Nitrogen filling: No
  • Tripod mounting: Adapter ¼"
  • Length x width x height [mm]: 178x195x65
  • Weight [g]: 894

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