Sightron SIII 10X50 ED Roof Prism Binocular Black. Designed for high performance in diverse environments. These optics provide unmatched precision and reliability. Whether scanning landscapes or tracking movement in the field the SIII ED gives you the confidence to spot your target before it spots you. Specifications for Sightron SIII 10X50 ED Roof Prism Binocular: Manufacturer: Sightron Color: Black Magnification: 10 x Objective Lens Diameter: 50 mm Prism System: Roof Eye Relief: 18 mm Field of View Linear: 316.7 ft at 1000 yds Optical Coating: Multicoated Length: 5.86 in Weight: 31.4 oz Features of Sightron SIII 10X50 ED Roof Prism Binocular Twist-up / Down Eyecups for excellent eye relief control Fully Multicoated ED glass lenses for maximum light transmission Water Proof to withstand any weather conditions Nitrogen Gas Charged to prevent fogging 316.7 ft field of view at 1000 yards Lifetime Warranty Package Contents: Sightron SIII 10X50 ED Roof Prism Binocular Carry Case Strap Lens Covers Lens Cleaning Cloth Instruction Manual Sightron 25182: SIII 10X50 ED Roof Prism Binocular Black