LITTLE KNOWN FACTS ABOUT COOLED LONG-WAVE INFRARED LENS.

Normally, the freeform floor can right the aberration from the x- and y-directions to match the rectangular focal aircraft condition better than an aspheric surface area. Thinking about the rotation asymmetry of the freeform surface area, There are 2 critical factors in your complete style course of action.In the case of the lens which has a hyperf