7x50 10x50 HD military and boating binoculars with compass

Key Features ：
● BAK4 Porro Prism Optical
● Stabilized Illuminated Compass
● Individual Sports-Auto-Focusing System
● XLT Fully Multi-Coated Optics
● Twist-Up   Rubber Eyecups
● Nitrogen-Filled, Water and Fogproof
● Traditional Porro Prism
● Shock-Resistant Floating Prism System
● Observe distant objects and calculate distances
Overview
Designed and built for low-light performance in most weather conditions, the Optics 10x50 Military/Marine Binoculars combine multiple technologies and features to ensure clear and crisp views from first light through to twilight. Their performance starts with the combination of high magnification and over-sized objectives. At 50mm the objectives draw in the copious amounts of light required for seeing in low light, while the 10x power produces both a generous exit pupil and a field of view that is close to wide-angle. This wide exit pupil ensures that the light leaving the eyepieces will completely cover most user's pupils when they open and become dilated in low light to present the entire field of view in most light conditions. All of these features, when coupled with the traditional Porro prism light path, present the user with an immersive observational experienced defined by bright and clear high-contrast views and accurate color rendition.
Optical Performance:
● 10x magnification allows for detailed observation of distant subjects
● Large 50mm objective lenses boost low-light performance
● Traditional Porro prism optical path affords a more rich depth of field versus similar roof prisms
● Fully multi-coated optics improve light transmission for bright high-contrast images with accurate color rendition

● Floating prism mounting system helps to absorb impacts to avoid damage and maintain optical path alignment
● 62° apparent angle of view approaches wide-angle to help minimize the appearance of distracting hand shake
● 327-foot field of view at 1000 yards
Compass：
● In-view compass bearings and reticle allows user to take readings without taking eyes away from optic
● Illuminated for easier viewing in low-light conditions
● Integrated ranging reticle enables users to estimate distance to, or size of, boats, buoys, buildings, or other objects

● Fluid-damped stabilization for higher precision, especially on rough seas

● Observe distant objects and calculate distances
● Runs on one included CR1/3N battery
Use and Handling ：
● Individually-focusing eyepieces enable highly-precise focusing, with memory diopter system to store and indicate personal diopter setting

● Twist-Up  rubber eyecups for comfortable use with or without eyewear
● Ultra-long 18.5 mm eye relief makes long-duration glassing sessions comfortable with reduced eye strain
● Large 5.0mm exit pupil is optimized for low-light conditions to completely cover pupils when they are fully dilated to avoid vignetting of the view

● Weight:  38.80 ounces
Sports Auto-Focusing System:
● Individual eyepiece focusing
● Requires only one initial individual focus adjustment per user
● Eliminates the need for refocusing for targets at ranges from 22 yards (20m) to infinity
● Enables the tracking of fast targets without the need to refocus
Construction Details：
● Lightweight, and corrosion and impact-resistant Makrolon polycarbonate chassis
● Nitrogen-filled and O-ring sealed to 14-psi of pressure, to be waterproof to a depth of 33' (10m), and resistant to internal fogging when moving through extreme temperature changes and environmental conditions
● Oil, petroleum, and chemical-resistant NBR synthetic rubber armor offers improved grip security, especially in cold and wet weather
Specifications Performance