The extra-large spherical lens of the Smith I/OX allows unparalleled peripheral vision, while 5X™ anti-fog technology provides five times the fog absorption compared to anything else on the market, making the the perfect lens for eyeglass wearers.This technology combined with the interchangeable lens keeps you on the mountain all day, regardless of the conditions.Read more
Spherical lenses are built on a base curve in both the X (horizontal) and Y (vertical) axis. Smith's spherical lenses are off ered exclusively in carbonic-x material with TLT Optics and a base 6x4 toric shape. This pioneering shape provides the highest level of optical clarity, improved fit characteristics and increased volume improving fog performance.
Smith's carbonic-x outer lens material is individually molded to off er optimum scratch and impact resistance, increased visual acuity and enhanced contrast sensitivity. The carbonic-x material meets Class 1 optical standards. There is simply no better lens.
The most advanced anti-fog lens ever created. Building upon the hydrophilic, micro-etched surface area principles of their Fog-X lenses, their revolutionary, 5X anti-fog inner lens has been engineered to provide over five times the absorptive properties of anything on the market. Initial testing showed standard anti-fog lenses fogging between 30-50 seconds. Smith's proprietary, 5X anti-fog treatment withstood fogging for over 120 seconds in controlled lab tests.
When light passes through a medium it refracts, i.e. changes course. If left uncorrected, this refraction can cause visual distortion and eye fatigue. Smith's Tapered Lens Technology straightens out the incoming light rays by progressively tapering the lens from the optical center toward the peripheral view. What this means for you is that you see with 100% accuracy and maximum comfort.
Changes in elevation bring changes in atmospheric pressure. These forces have the potential to diminish the optics of thermal lens systems. Smith's patented Porex™ filter solves this issue by allowing the air pressure within the sealed lens chamber to equalize with the ambient atmospheric pressure ensuring class 1 optical standards.