Edited: 2009-11-18 16:12:19 | Category: Optics

All lenses and prisms are multilayer-coated for the brightest images Phase-correction-coated roof prisms for high resolution

MONARCH 8x42DCF/10x42DCF/12x42DCF

MONARCH 8x42DCF MONARCH 10x42DCF MONARCH 12x42DCF

•  All lenses and prisms are multilayer-coated for the brightest images •  Phase-correction-coated roof prisms for high resolution •  High-reflection mirror-coating prism for bright image •  High-eyepoint design provides a clear field of view, even for eyeglass wearers •  Close focusing distance: 2.5m •  Eco-glass optics that are free of lead and arsenic are used for all lenses and prisms •  Waterproof (up to 1m/3.3 ft. for 5 minutes) and fog-free with nitrogen gas •  Turn-and-slide rubber eyecups facilitate easy positioning of eyes at the correct eyepoint •  Rubber armouring for shock resistance and a firm, comfortable grip •  Lightweight body uses fibreglass-reinforced polycarbonate resin •  Wide strap •  Can be fixed to a tripod using optional tripod adaptor Application Icons

Specifications

		MONARCH 8x42DCF		MONARCH 10x42DCF		MONARCH 12x42DCF
Magnification (x)		8		10		12
Objective diameter (mm)		42
Angular field of view (Real/degree)		6.3		6.0		5.0
Angular field of view (Apparent/degree)		47.5		55.3
Field of view at 1,000m (m)		110		105		87
Exit pupil (mm)		5.3		4.2		3.5
Relative brightness		28.1		17.6		12.3
Eye relief (mm)		19.6		15.5		15.4
Close focusing distance (m)		2.5
Weight (g)		615				625
Length (mm)		146		143		146
Width (mm)		129
Interpupillary distance adjustment (mm)		56-72

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.