BNISE Marine Binoculars with Compass and Rangefinder for Adults - Waterproof 10x50 HD Binoculars BAK4 Prism FMC Lens, with Harness Strap for Navigation Hunting Bird Watching, Boating

Professional Marine Military Binoculars，10X50 binoculars provides 50mm large objective lenses and 23mm eye relief, which offer a extra large view and comfortable observation. 6.8mm exit pupil, and field of view is 396 feet at 1000 yards / 132 meters at 1000 meters. The eyepiece rubber is comfortable and blocks extraneous light from entering.

• 【Binoculars with Rangefinder Compass】Night vision binoculars illuminated compass built-in for direction location, with an internal rangefinder for calculate the distance and size of the object on the left eyepiece by manual. The ruler and the compass illuminated by the light button, provides the maximum brightness of the image even in low light conditions(not totally dark).
• 【High Quality Optic System】High refractive index BAK4 Porro Prism eliminates the stray light and improves color reproduction to 99.99%. Green FMC anti-reflective coating reduces the reflected light in the objective lens and improves light transmission, image brightness and image sharpness.
• 【IPX7 Waterproof Binoculars】This binocular come with Nitrogen-filled waterproof, fog-proof and Anti-shake design. O-ring sealed for complete waterproof protection and float on water so no worries if dropped into the water; Dry nitrogen-purged and sealed to prevent fogging and moisture damage in all weather conditions.
• 【Binoculars with Harness Strap】Quality marine binoculars are made of excellent rubber, which weight is 1.87lbs/850g. Provide a harness strap to wear is the most comfortable way to carry binoculars for a long time. It can reduce the weight of the binoculars on your shoulders for more relaxed viewing. Idea for Outdoor Activities, Hunting, Bird Watching, Travel, Boating, Target Shooting.
• Specification: Objective lens: 50mm Field of View: 396feet at 1000 yards Prism System: Porro Coating:FMC Prism Glass: BaK-4 Reticle: Internal rangefinder Compass built in:Yes Eyecups: Fold Down Water/Fog Proof: Yes Tripod Adaptable: Yes Weight : 1.87 lbs
• Package Includes： 1 x Military Binoculars 1 x Military Carrying Bag 1 x Cleaning Lens Cloth 1 x Harness Strap 1 x Eyepiece Cap 2 x Objective Lens Cap 2 x LR936/AG,cell batteries 1 x Instruction