Don't be fooled by the affordable price. These binocs will knock your socks off. That's because the folks at Vortex have invented a new optical system that produces astonishing clarity and brilliance for far less cash than you're accustomed to paying for high-quality optics. Lenses are multi-coated to enhance sharpness and reduce glare. O-ring seals and nitrogen gas purging deliver waterproof, fogproof performance. Rubber armor protects against hard knocks and gives you a no-slip grip. You've never seen anything like 'em!