Nikon Introduces New SPORTER EX Binoculars
September 24, 2008
Nikon Vision Co., Ltd., a subsidiary of Nikon Corporation, is pleased to present the new SPORTER EX roof binoculars, which combine superb optical quality and durability.
The O-ring seals and nitrogen gas in the slim body make these binoculars waterproof and fog-free. Rubber coating assures secure grip even in wet conditions. The SPORTER EX binoculars provide outstanding performance for outdoor activities.
Key Features
- Waterproof (up to 1 m/3.3 ft. for 10 minutes) and fog-free with O-ring seals and nitrogen gas
- High-eyepoint design for clear field of view, even for eyeglass wearers
- Multilayer coated lenses for brighter images
- Turn-and-slide rubber eyecups with multi-click facilitate easy positioning of eyes at the correct eyepoint
- Lead- and arsenic-free eco-glass optics are used for all lenses and prisms
Nikon SPORTER EX Binoculars Specifications
| SPORTER EX 8x42 | SPORTER EX 10x50 | |
|---|---|---|
| Magnification | 8x | 10x |
| Objective diameter | 42 mm | 50 mm |
| Angular field of view (real) | 7.0° | 5.6° |
| Angular field of view (apparent)* |
52.1° | 52.1° |
| Field of view at 1,000 m | 122 m | 98 m |
| Exit pupil | 5.3 mm | 5.0 mm |
| Relative brightness | 28.1 | 25.0 |
| Eye relief | 19.7 mm | 19.6 mm |
| Close focusing distance | 5.0 m | 5.0 m |
| Interpupillary distance adjustment | 56-72 mm | 56-72 mm |
| Length | 154 mm | 187 mm |
| Width | 131 mm | 139 mm |
| Weight | 670 g | 825 g |
- *Nikon has adopted a calculation method based on ISO 14132-1:2002.
tan ω′ = τ x tan ω
Apparent field of view: 2ω′
Real field of view: 2ω
Magnification: τ
- The information is current as of the date of publication. It is subject to change without notice.