US Patent 10393480 Target acquisition improvements using patterned dichroic coatings

A target spotting device incorporating target acquisition improvements using patterned dichroic coatings wherein a color is assigned to an individual Bullet Drop Compensation reticle and/or other reticle elements to improve the observer's rate of target acquisition is disclosed. These dichroic patterns coatings can also be used individually or with etch and fill, chrome, anti-reflective chrome or holographic reticle elements. Patterned dichroics coatings can be incorporated into both 1st or 2nd focal plane reticle locations.