Smith I/O7 Goggle Lenses Mirror Goggles (for sunny conditions) Mirror Goggles (for cloudy conditions) Smith ChromaPop is a lens technology developed by Smith Optics. It enhances the visual experience by increasing color and clarity. Specifically, it controls the wavelengths of the three primary colors of light – red, green, and blue – where they overlap, expressing vivid colors and making objects appear clearer. There are no particularly noticeable scratches, and they are still usable. Please understand that these are used items. Please refrain from purchasing if you are overly sensitive or meticulous.