waterproof 10x42 binoculars, multi-coated optics made of BaK-4 glass
- This waterproof binoculars incl. floating strap is the ideal companion for water enthusiasts
- Optical Design: roof prism, prisms made of BaK-4 glass, full multi-coating
- Field of View: 101 m, tripod thread, smoothly operating center wheel
- Binocular Dimensions: 150x1310x55 mm, Weight: 710 g
- Scope of delivery: binoculars, case, floating strap, manual
- 10-fold magnification
- solid, waterproof body
- high contrast and true colour image
- safely stored and easy to carry in included case
- suitable for eyeglass wearers
True art of living consists in seeing the wonderful in the everyday. (Pearl S. Buck)
Table of Contents
1. The History2. The Features
2.1 The Key Figures
2.2 The Magnification
2.3 The Objective Diameter
2.4 The Exit Pupil
2.5 The Twilight Factor
2.6 The Brightness
2.7 The Interpupillary Distance
2.8 The Eye Relief (Focal Point of the Eyepiece)
2.9 The Field of View
2.10 The Focus
2.11 The Rubber Armor
3. The Glass
3.1 The Coating
3.2 The Glass Material
3.3 Porro or Roof Prisms
3.4 Achromats
4. Types of Binoculars
4.1 Binocom or Nautic
4.2 Night Glass or Night Vision Device
4.3 Residual Light Amplifiers
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Product information "NATIONAL GEOGRAPHIC 10x42 waterproof Binoculars"
FEATURES
- Binoculars for water sportsmen
- waterproof and with swim belt unsinkable
- suitable also for spectacle wearers
- binoculars
- case
- floating strap
- manual
| Batteries included: | false |
|---|---|
| Batteries required: | false |
| Body armouring: | Rubber/Plastic |
| Body material: | Plastic |
| Colour: | black |
| Compass: | false |
| Diopter setting: | true |
| Dust protection caps: | dust caps for eyepiece and objective |
| ED glass: | false |
| Extended warranty (years): | 5 |
| Eyecups: | TwistUp eyecups |
| Eyepieces for eyeglass wearers: | true |
| Field of application [Binoculars]: | Watersport & Sailing |
| Field of view (degrees): | 5.77 |
| Field of view at 1000m 7) (m): | 101 |
| Focusing system: | Central focus wheel |
| Inert gas purged: | false |
| Interpupilar distance max. (mm): | 73.72 |
| Interpupilar distance min. (mm): | 73.72 |
| LE Eyepieces: | false |
| Magnification: | 10 |
| Material: | Plastic |
| Material prisms: | BaK-4 |
| Mirror/Lens diam. (mm): | 42 |
| Net Weight total (incl. accessories) (g): | 825 |
| Net weight (without access.) (g): | 710 |
| Optical design: | Roof |
| Power supply unit included: | false |
| Relative brightness 7): | 17.64 |
| Single eye adjustment: | false |
| Total height (mm): | 55 |
| Total length (mm): | 150 |
| Total width (mm): | 130 |
| Tripod adapter thread: | true |
| Twilight factor 7): | 20.49 |
| Type [Binoculars]: | Standard Binoculars |
| Type of coating: | Multi coated |
| Waterproof 8): | true |
| Zoom function: | false |