File:Isshiki (1967).svg

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English: "Achromatic super wide-angle lens", redrawn from US Patent 3,542,697 by Isshiki Masaki and Matsuki Keiji. Later produced as the Fisheye-Nikkor 6 mm f/5.6, with a 220-degree angle of view.
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Source Own work
Author Mliu92

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I, the copyright holder of this work, hereby publish it under the following license:
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Date/TimeThumbnailDimensionsUserComment
current20:18, 14 November 2018Thumbnail for version as of 20:18, 14 November 20181,300 × 1,300 (3 KB)Mliu92 (talk | contribs)User created page with UploadWizard

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