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]: 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
