Characterized by a bright and versatile design - the Kowa 10x56 BD56-10 XD Prominar Binoculars feature an advanced optical system with a series of multicoatings to provide clear viewing in a variety of conditions Dual Prominar XD elements are used to minimize chromatic aberrations for greater color accuracy - and the phase-corrected Schmidt-Pechan roof prism design avails consistent brightness with a sleek form factor A C3 coating has also been applied to the glass elements to improve contrast and produce consistent and accurate colors The 10x magnification is ideal for viewing distant subjects and when all combined with the large 56mm diameter objective lenses - these binoculars are especially adept when viewing in difficult and low-light conditions A rubberized chassis offers durable and secure handling and the housing has also been nitrogen filled for water and fog resistance Twist-up multi-step eyecups benefit clear viewing in bright lighting conditions and a KR coating has also been applied to the exposed optical surfaces to protect against dust and dirt and to aid in cleaning
Features: Prominar XD Glass Objectives, Phase-Corrected Roof Prisms, Fully Multicoated Optics, Apparent Angle of View: 59°, Rubber Armoring, Nitrogen-Filled, Water/Fogproof, Twist-Up Eyecups, Compatible with Optional Tripod Adapter, Center Focusing, Minimum Focusing Distance: 9.8'
Prism Type: Roof
Magnification: 10x
Objective Lens Diameter: 56 mm
Angle of View: 5.9 degrees (Actual)59 degrees (Apparent)
Field of View: 309.7' @ 1000 yd / 103.2 m @ 1000 m
Minimum Focus Distance: 9.8' / 3 m
Exit Pupil Diameter: 5.6 mm
Eye Relief: 18 mm
Interpupillary Adjustment: 57 to 72 mm / 2.2 to 2.8-inch
Diopter Adjustment: Yes
Focus Type: Center
Fogproof: Yes - Nitrogen Filled
Environmental Resistance: Water-Resistant (Unrated)
Dimensions: 6.5 x 5.8 x 2.6-inch / 165 x 148 x 66 mm
Weight: 2.31 lb / 1050 g
