Pilla Panther X No-Post Frame with 3 Lens Zeiss VIVX Kit. Panther X frame with nose piece mounted on each lens. Curled earpieces for maximum security and comfort.The new Pilla VIVX line of lenses have been developed in partnership with ZEISS, the world recognized leader in optics. Pilla VIVX lenses are engineered to produce the most vivid, high definition lens technologies on the market. Pilla has designed all lenses to manage light perfectly while enhancing very specific pieces of the visual spectrum.The result of the collaboration between Pilla and Zeiss has created one of the most advanced lenses on the market. VIVX lenses enhance contrast significantly while minimizing distortion and the loss of depth of field. VIVX lenses are impact and abrasion resistant, and provide a wide field of view with no optical disruptions to maximize effectiveness in the shooting sports.All Pilla VIVX 3 lens sets are offered in three different configurations: Enhanced Definition, Specialty Kit, or Max Orange. No substitutions are allowed, but additional lenses are available separately. Please call to order additional lenses not listed online. Enhanced Definition Kits Include:42ED - Enhanced Definition for Cloudy Conditions, Balanced Color78HC - High Contrast for Overcast/Low Light, Vibrant Color 22ED - Enhanced Definition for Full Sun, Balanced Color