The TRAVELITE has been one of Nikon’s most popular compact binoculars for three decades—and the current (6th Generation) models are no exception. Bright Multicoated Optics Featuring multilayer-coated aspherical lenses for bright and sharp images to the lens periphery the TRAVELITE’s optical system utilizes multiple layers of anti-reflective compounds for excellent brightness and resolution. Ergonomic Carbon Fiber Body TRAVELITE’s ergonomic carbon fiber housing becomes a lightweight and durable protective shell for the optic within. Durable and Protective Rubber-armored Coating Ergonomic rubber body covering provides a comfortable non-slip grip. Smooth Central Focus Knob Fast range of focus for quick viewing. Specifications Focusing System: Central Focus Magnification: 10x Objective Diameter: 25 mm Angular Field of View (Real): 5° Angular Field of View (Apparent): 47.° FOV at 1000 yds: 220 ft. Close Focus Distance: 3m. Exit Pupil: 2.5 mm Relative Brightness: 6.3 Eye Relief: 11.1 mm Size (Length x Width): 11 x 12 cm Weight: 269 g Interpupilary Distance: 56- 72mm Prism: Porro