Hawke Sport Optics Endurance ED Marine 7x50mm Roof Prism Rangefinder Binoculars w/Compass Matte 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 7x50mm Roof Prism Rangefinder Binoculars w/Compass: Manufacturer: Hawke Sport Optics Magnification: 7 x Objective Lens Diameter: 50 mm Color: Blue Rangefinder Application: Marine Weight: 32.3 oz Width: 5.3 in Length: 6.9 in Optical Coating: Fully Multi-Coated Eye Relief: 0.83 in Field of View Linear: 367 ft at 1000 yds Exit Pupil: 0.3 in Interpupillary Distance: 55 - 75 mm Weather Resistance: Yes Finish: Matte Prism Material: BAK4 Image Stabilizer: No Prism System: Roof Magnification Type: Fixed Field of View Angle: 7 degrees Close Focus: 8.2 ft Water Resistance Level: Waterproof Binoculars Focus System: Center Focus Package Type: Box Features of Hawke Sport Optics Endurance ED Marine 7x50mm Roof Prism Rangefinder Binoculars 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 7x50mm Roof Prism Rangefinder Binoculars w/Compass Floating Neck Strap Standard Neck 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 36506: Endurance ED Marine 7x50mm Roof Prism Rangefinder Binoculars w/Compass Blue