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
- 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
