The National Geographic 842 Waterproof Binoculars are ideal for use around water
The 842 Waterproof Binoculars from National Geographic are very handy, versatile roof prism binoculars. Theyre waterproof and produced and crafted with high quality in mind. Twist-up eyecups adapt so the binoculars are easily used by observers with or without spectacles and diopter compensation is standard. The 842 has Bak-4 prisms and is fully multi coated allowing for colour fidelity and high contrast. The objective cap system allows for quick opening and closing and can be completely removed easily. Furthermore, a tripod connection thread is integrated.
Features
- The ideal companion for water enthusiasts
- 8-fold magnification
- Solid, waterproof body
- High contrast and true colour image
- Safely stored and easy to carry in included case
- Suitable for eyeglass wearers
Specifications
- Optical design: Roof
- Magnification: 8
- Mirror/Lens diam.: 42 mm
- Material prism: BaK-4
- Type of coating: Multi coated
- Colour of coating: blue
- Eyepieces for eyeglass wearers: Yes
- Diopter setting: Yes
- Field of view at 1000m: 109 m
- Field of view: 6.23 degrees
- Light intensity: 27.56
- Twilight factor: 18.33
- Waterproof: Yes
- Bag/Pouch: multifunctional nylon case
- Colour: black
- Body material: Plastic
- Tripod adapter thread: Yes
- Focusing system: Central focus wheel
- Turns of focus drive over entire focal range: 2
- Eyecups: Twist Up eyecups
- Interpupilar distance min.: 74.47 mm
- Body armouring: Rubber
- Extended warranty: 5 years
- Net weight (without access.): 710 g
- Net Weight total (incl. accessories): 837 g
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