Hawke Sport Optics Endurance ED Marine 7x42mm Monocular w/Compass Blue. ED glass is utilized to reduce color finging. Fully multi-coated lenses provide high resolution images. Effortless focusing and impressive field of view. Advanced BAK-4 roof prisms. Lightweight. Specifications for Hawke Sport Optics Endurance ED Marine 7x42mm Monocular w/Compass: Manufacturer: Hawke Sport Optics Color: Blue Magnification: 7 x Objective Lens Diameter: 42 mm Field of View Linear: 393 ft at 1000 yds Field of View Angle: 7.5 degrees Eye Relief: 0.7 in Weight: 14.3 oz Close Focus: 6.5 ft Features of Hawke Sport Optics Endurance ED Marine 7x42mm Monocular w/Compass Built-in rangefinding reticle and compass 7x magnification perfect for marine applications Extra-low dispersion (ED) glass Fully multi-coated lenses Phase corrected BAK-4 prisms Waterproof and fog proof Precision focus control Twist-up eyepieces Stay-on lens covers Protective carry case. Package Contents: Hawke Sport Optics Endurance ED Marine 7x42mm Monocular w/Compass Floating Wrist Strap Standard Wrist Strap Protective Carry Storage Case Soft Carry Pouch Lens Cloth w/ Holder Carry Case Strap Stay-on Lens Objective Covers Ocular Lens Covers Hawke Sport Optics 36521: Endurance ED Marine 7x42mm Monocular w/Compass Blue