Binocular Delta Optical Discovery 8x40

Catalog Number: DO-1200
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

    8
  • Magnification [x]: 8
  • Objective lens diameter [mm]: 40
  • Optical coating: MC
  • Objective lens material: glass
  • Twilight factor: 17.9
  • Relative brightness: 25
  • Exit pupil diameter [mm]: 5
  • Eye relief [mm]: 18
  • Interpupillary distance adjustment [mm]: 56 - 72
  • Angular field of view [° degrees]: 8.2
  • Linear field of view at 100 m [m]: 143
  • Shortest focusing distance [m]: 5
  • 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]: 140x180x65
  • Weight [g]: 742

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