Knight ED 10 x 42 Optical Binocular

Features -Extra-low dispersion ED glass produces outstanding color fidelity and high quality image -Bak-4 Phase Coated roof Prisms -100% Fully Multi-Coated optics Green-coated on four sides of the prisms and large aperture apochromatic lens higher image quality in all lighting conditions even water-repellent coatings for the lenses -Armoured rubber Binocular -Long eye relief and twist up eyecups great for eyeglass wearers -Magnesium alloy body provides light weight -Fully Waterproof and Fog proof nitrogen filled Submerge to 1 m. for 15 minutes -Ergonomic open hinge design Specifications -Binoculars Series - KNIGHT ED-Series Binoculars. -Focus System - Central. -Resolution - 5.5. -Size - Full Size Binoculars. -Eye Relief - 17.22 mm. -Water Proof. -Fog Proof. -Magnification - 10 x. -Objective Lens Diameter - 42 mm. -Field of View at 1000 Yards - 351 ft. -Field of View Degree - 6.7. -Exit Pupil - 3.83 mm. -Focus Type - Center Focus. -Close Focusing Distance - 5.56 ft. -Groups and Elements for Eyepiece - 5G6E. -Groups and Elements for Objective Lenses - 3G4E. -Barrel - Mg-AL. -Dimensions - 5.51 x 5.23 x 2 in. -Item Weight - 26.8 oz.