Vortex Raptor 8.5x32 Binocular Porro prism performance in a mid-size, wide-angle design, Raptor binoculars offer bright, crisp images with excellent color fidelity, even in low-light conditions. The design accommodates a wide range of interpapillary distances to fit everyone in the family. Included in the box: rainguard eyepiece cover, tethered objective lens covers, comfort neck strap, soft carry case. Features: Magnification: 8.5x Objective Lens Diameter: 32 mm Eye Relief: 14 mm Exit Pupil: 3.8 mm Linear Field of View: 390 feet/1000 yards Angular Field of View: 7.4 degrees Close Focus: 15 feet Interpapillary Distance: 50-70 mm Height: 4.5 inches Width: 5.7 inches Weight: 17.3 oz.