Attachment optical system, optical system, manufacturing method of optical system

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United States of America Patent

PATENT NO 11543635
APP PUB NO 20210278641A1
SERIAL NO

17182382

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Abstract

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An attachment optical system includes a first converter optical system attachable to an object side of an imaging optical system, and a second converter optical system attachable to an image side of the imaging optical system. The first converter optical system includes a dome-shaped cover and at least one positive lens. A predetermined condition is satisfied.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Taki, Yoshiyuki Tochigi, JP 9 58

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