Select styles of the Lazer eyewear range offer photochromic lenses that change color automatically based on varying light conditions. As the sunlight becomes more intense the lenses change from a light color to a dark color. Total lens change occurs in 7 seconds. Alternatively the lenses return to a more translucent state within 1.5 min. from being removed from sunlight.
Light transmission: 75% to 25%
Usage: variable low to mid sunglight