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Uniforce Shield: 5-Lens Interchangeable System #17920	Our Price: $55.90 Manufacturer's Part Number: 17920 Product Code: 206-00422 Qty:

Standout Features Manufacturer Capabilities   Photochromic Lenses in NXT Uniforce eyewear features lenses made from NXT, a revolutionary innovation in unbreakable optical polymer technology.  Lenses in NXT last a long time and resist impact, scratching, chemicals, and atmospheric agents.  The superior optical quality, clarity, lightness, and impact resistance provide clear, comfortable vision and the highest level of protection for your eyes.  NXT was first developed for military use to meet a specific need:  provide a bulletproof material that is transparent, light, durable and capable of offering maximum protection.  Whether they are worn inside, outside, during the day, or in the middle of the night, lenses in NXT are the ideal adaptable, optical solution for the tactical market.  NXT is the result of years of research by intercast Europe S.p.A. * Photochromic Transitional * Unbreakable * Ultimate Optical Clarity * Insensitivity to Stress Cracking * Anti-Scratch * Extremely lightweight * High thermal stability * High Chemical Resistance NXT lenses are GUARANTEED UNBREAKABLE FOR LIFE Lenses in NXT are urethene transitional lenses that react to various levels of UV short wave light exposure.  As UV light from the sun hits the surface of a lens in NXT, optical polymers within the lens begin to alter their shape.  As the shape of these polymers changes, the structural design of the lens adjusts the refraction of light on the lens' surface.  The resulting effect transforms the lens from clear indoor tint to a dark outdoor, high light lens.  At maximum exposure lenses in NXT can reach 90% of their full darkness range in less than one minute!  With the removal of UV exposure, the optical polymers will then return to their original shape and the lens will "snap back" to it's original tint. The Uniforce Tactical Eyewear Line also provides an interchangeable lens system on selected models.  Designed specifically with tactical operations in mind.   * 5 interchangeable lens system included (Bronze, Vermillion, Smoke, Blue Mirror and Clear).  Easy snap in, snap out * Rx prescription insert available upon special order * Soft Touch, low reflective frames * Lightweight construction * Toric wrap lens for maximum peripheral vision and minimal optical distortion * Rimless bottoms for improved visibility * Adjustable temples and contoured ear-hooks for secure fit * Reduced back glare * High impact lenses exceed ANSI Z87.1-2003 safety standards * Set includes custom hard case, soft case, head lanyard and microfiber cloth

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