Venture binoculars were specifically designed for outdoor enthusiasts. Use for sporting events hunting and more. Fully multi-coated lens reveal the finest details even at first light. 10x Magnification with 50mm Objective lens diameter. Folding roof prism system and BK7 prism glass. Field of view at 1000yds: 325ft. Eye relief: 15.24mm. Exit pupil: 4mm. Short focus: 9 M.