File:US3589798A (Ogura, 1969).svg

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Original file (SVG file, nominally 450 × 400 pixels, file size: 3 KB)

Captions

Captions

Embodiment 2 from U.S. Patent 3,589,798, by Toshinobu Ogura

Summary

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Description
English: This is a diagram for a fish-eye lens which has 11 elements in 8 groups, redrawn from the geometry listed for Embodiment 2 in US Patent 4,412,726, which was the basis for the Minolta MC Fish-Eye Rokkor-OK of 1969. The same design was used for the Leica Fisheye-Elmarit-R and the Minolta AF Fish-Eye, all fisheye lenses with a focal length of 16mm and maximum aperture of f/2.8.
Date
Source Own work
Author Mliu92

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current21:31, 23 July 2024Thumbnail for version as of 21:31, 23 July 2024450 × 400 (3 KB)Mliu92 (talk | contribs)Uploaded own work with UploadWizard

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