Nature-Trek 10x50 Binocular

Compact top hinge design easily fits in your hands. Fully multi-coated optics to produce sharp images. Focus knob with 0.8 turns - close focus from 8.2ft / 2.5 M. High resolution BAK-4 roof prisms. Twist-up eye cups. System H2 optical system. 10x Magnification with 42mm Objective lens. Field of view (@ 1000yds): 304ft / 101 M. Eye relief: .7" / 18mm. Exit pupil: 0.2" / 5mm. Interpupillary distance: 2.5"-3" / 63-75mm. Nitrogen purged - waterproof fog proof.