Edited: 2009-11-18 17:48:42 | Category: Optics

Waterproof (up to 1m/3.3 ft. for 10 minutes) and fog-free with nitrogen gas High-eyepoint design provides a clear field of view, even for eyeglass wearers

SPORTER EX 8x42 SPORTER EX 10x50

•  Waterproof (up to 1m/3.3 ft. for 10 minutes) and fog-free with nitrogen gas •  High-eyepoint design provides a 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 •  Eco-glass optics that are free of lead and arsenic are used for all lenses and prisms Application Icons

Specifications

		SPORTER EX 8x42		SPORTER EX 10x50
Magnification (x)		8		10
Objective Diameter (mm)		42		50
Angular field of view (Real/degrees)		7.0		5.6
Angular field of view (Apparent/degrees)		52.1
Field of view at 1,000m (m)		122		98
Exit pupil (mm)		5.3		5.0
Relative brightness		28.1		25.0
Eye relief (mm)		19.7		19.6
Close Focus Distance (m)		5.0
Interpupillary distance adjustment (mm)		56-72
Weight (g)		670		825
Length (mm)		154		187
Width (mm)		131		139
Type		Roof

Note: Nikon has adopted a calculation method based on ISO 14132-1:2002, and therefore, values for the apparent field of view have changed from those previously stated. For details, click here.