Spying with Telephoto Lenses Interested the CIA in the 1950s

Photographers today are very demanding. But in the 1950s, the CIA presented a plan for an even more demanding lens. Let's get one big fact out of the way first: telephoto lenses are large. If you look at the Sigma 200-500mm f2.

8, then you'll know that this is true. However, the CIA didn't want big telephoto lenses. In fact, they wanted a lens that telescoped. What's more, they wanted at least f8 lenses. This isn't unreasonable if you consider the kinds of clandestine operations they did. Sometimes they'd need to hide in a car, a building, etc. and shoot photos outside of a window. This was combined with high-speed film--which the CIA loved in black and white. Three specific documents detail the CIA's needs for such telescoping telephoto lenses. .

lenses cia telephoto they

2020-10-4 13:00

Источник: thephoblographer.com

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