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.

For more information, click on the following link.
Products & Support—Sport Optics

2008