THE 5-SECOND TRICK FOR COOLED LONG-WAVE INFRARED LENSES

Two of the most typical specialty lenses are multifield and continuous zoom lenses. The former is built to swap between two or even more focal lengths, while the latter can remain in focus anywhere involving two boundary focal lengths. These kinds of lenses can study a scene and magnify an item in that scene switched or zoomed. For example, a 50/25