ESSLNB 7X50 Marine Binoculars IPX7 Waterproof Binoculars for Boating with Illuminated Rangefinder and Compass BAK4 Prism FMC Military Floating Binoculars for Navigation Hunting w/Bag and Strap
- ... brightness and sharpness. 50mm large objective lens and 23mm eyepiece with high definition wide view are more comfortable to see objects without eye fatigue and dizziness.6.8mm exit pupil offers ideal image brightness and field of view is 396 feet at 1000 yards / 132 meters at 1000 meters..
- Military Binoculars with Rangefinder and Compass:Internal rangefinder scale and built-in compass for measurement and orientation.By specifying calculator dial on left eyepiece, you can directly calculate the distance or size of objects.Rangefinder and compass scale are illuminated by light on/off switch.Low-light vision binoculars can provide better brightness of images as long as there is light or in low-light conditions like lamplight,dawn,twilight(not totally dark)..
- IPX7 Waterproof Binoculars:Dry nitrogen filled and O-ring sealed for waterproof protection to prevent dust-proof,fogging and moisture damage in all weather conditions.So this navigation binoculars is suitable for outdoor use.Under one meter depth, 100% waterproof and float in water for 30 minutes.So no worries if dropped into the ocean..
- Double Focusing System: Two±5 left and right diopter adjustment rings can focus sharp optics to meet the different requirements of vision based on your individual l....