Hawke Sport Optics Frontier LRF 1800 8x42mm Rangefinder Binocular Matte Green. Specifications for Hawke Sport Optics Frontier LRF 1800 8x42mm Rangefinder Roof Prism Binocular: Manufacturer: Hawke Sport Optics Magnification: 8 x Objective Lens Diameter: 1 in Color: Green Maximum Range: 437 yds Rangefinder Application: Hunting Battery Type: CR2-3V Weight: 35.2 oz Width: 5.4 in Length: 6.5 in Optical Coating: Coated Multi-Layer Anti-Reflex Eye Relief: 4.2 mm 0.6 in Field of View Linear: 393 ft at 1000 yds Exit Pupil: 5.3 mm Interpupillary Distance: 2.2 - 3 mm Operating Temperature: -10 - 40 Celsius Weather Resistance: Yes Accuracy: +/- 1 mm Prism System: Roof Magnification Type: Fixed Field of View Angle: 90 degrees Water Resistance Level: IPX-5 Finish: Matte Prism Material: BAK4 Minimum Range: 7 yds Binoculars Focus System: Center Focus Close Focus: 33 ft Image Stabilizer: No Package Type: Box Features of Hawke Sport Optics Frontier LRF 1800 8x42mm Rangefinder Binocular OLED focus Adapter Diopter adjuster Replaceable twist up eyepieces Water repellent lens coatings Mode and power buttons Fully multi-coated lenses Package Contents: Hawke Sport Optics Frontier LRF 1800 8x42mm Rangefinder Binocular Rangefinder Binocular Harness Pack Padded Neck Strap Lens Cover Hawke Sport Optics 38610: Frontier LRF 1800 8x42mm Rangefinder Binocular Green