We’re discussing monoculars, rangefinders, and cameras that use temperature variations, as opposed to obvious light-weight, to kind photographs which can be captured as photographs or videos, or just sent to your eye to answer that historic question: what’s on the market? Here are my picks for the best thermal monoculars, https://elliotcjkjc.livebloggs.com/33439107/not-known-facts-about-monocular-thermal