Waterproof / fog-proof / nitrogen gas-filled.
Shock resistant to 1000g.
See-thru / flip-up lens caps, optical-quality / all-weather.
Rubber-coated, speed-focus eye-piece.
Durable leaf spring for windage and elevation adjustments.
Multi-coated lenses provide maximum brightness, clarity and contrast even in the poorest of light conditions.
One-piece tube made of aircraft quality aluminum.
Durable, scratch-resistant, non-reflective matte finish.
Lifetime Limited Warranty.