US Army's large camera lens

The video introduces the Peeping Tom camera developed by the Army's Signal Corps, featuring a 100-inch infrared lens capable of capturing images from 30 miles away. It is demonstrated from a New York skyscraper, highlighting its military applications for surveillance and civilian uses like forest fire monitoring. The camera's range is showcased with views from New Jersey and New York, emphasizing its role in reducing perceived distances.

What new insight or understanding did you gain from this video?