SX-1 Ventana 2 20-60x80mm Gray/Black by LEUPOLD OPTICS Special Features: Waterproof Synergy Built Fully Multi coated Lens System Tripod Ready Retractable Lens Shade Specifications: Actual Magnification: Low 20.00 x / High 60.00 x Linear Field of View (ft/100 yd): Low 89.00 ft / High 47.00 ft Linear Field of View (m/100 m): Low 27.00 m / High 14.00 m Angular FOV (degrees): 1.70 degrees / 0.90 degrees Twilight Factor: 69.00 / 40.00 Exit Pupil (mm): 4.00 mm / 1.30 mm Eye Relief (mm): Low 26.40 mm / High 24.00 mm Objective Clear Aperture (mm): 80.00 mm Length (in): 17.00 in Length (mm): N/A Weight (oz): 37.00 oz Weight (g): 1049.00 g Close Focus Distance: 24.90 ft Close Focus Distance (m): 7.50 m