Waterproof to protects the binocular in the harshest weather conditions or if accidentally submerged underwater
Twist up eye cups with intermediate stops allow you to set the eye cups to the ideal eye relief for you eyes
Nitrogen purging dramatically reduces the moisture inside the tube and helps maintaining fog proof and waterproof.
Multi coated optics effectively reduces reflected light and increases the
transmission of light giving you a brighter image than normal single
coated lenses
