He may be, but over the last few years some models have come out with much lower prices: http://appleinsider.com/articles/14/11/23/review-flir-one-and-seek-brin

He may be, but over the last few years some models have come out with much lower prices: http://appleinsider.com/articles/14/11/23/review-flir-one-and-seek-bring-thermal-imaging-to-iphone http://appleinsider.com/articles/14/11/23/review-flir-one-an... I wouldn't be surprised if there are usable thermal imaging sensors out there for $100.