GSI Laser Outdoor Rangefinder Imporves Your Game Immediately - Golf and Hunting - Charges With Solar Power! * Measuring Range; a Super 15 - 400 Meters! Exceeds Most Rangefinders on Market! * Objective Lens Diameter; 25mm - Eye Relief; 12mm - Exit Pupil; 3.8mm * Field of View; 1000 Meters at 140 Meters - Telescope Multiplying Factor; 8x * Eyepiece Focusing - Multiple Filming - Includes FREE Case and Yellow Cleaning Cloth