MONSTER LENS

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Here’s a sketch from Patent #3,728,011 (1974) for Nikon’s monster 13mm f5.6 ultra-wide angle lens. It consists of 13 air-spaced elements, 7 of which are meniscus types, arranged in a masterful translation of optical genius in 4 groups. Cost? Don’t ask. This thing weighs 3 lbs and is the shape of a regulation-sized 16-in Chicago-style mushball.

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