JP2021167921A5 - - Google Patents

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Publication number
JP2021167921A5
JP2021167921A5 JP2020071691A JP2020071691A JP2021167921A5 JP 2021167921 A5 JP2021167921 A5 JP 2021167921A5 JP 2020071691 A JP2020071691 A JP 2020071691A JP 2020071691 A JP2020071691 A JP 2020071691A JP 2021167921 A5 JP2021167921 A5 JP 2021167921A5
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JP
Japan
Prior art keywords
optical system
lens
lenses
reduction optical
object side
Prior art date
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Application number
JP2020071691A
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English (en)
Japanese (ja)
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JP2021167921A (ja
JP7490433B2 (ja
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Priority to JP2020071691A priority Critical patent/JP7490433B2/ja
Priority claimed from JP2020071691A external-priority patent/JP7490433B2/ja
Publication of JP2021167921A publication Critical patent/JP2021167921A/ja
Publication of JP2021167921A5 publication Critical patent/JP2021167921A5/ja
Application granted granted Critical
Publication of JP7490433B2 publication Critical patent/JP7490433B2/ja
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JP2020071691A 2020-04-13 2020-04-13 縮小光学系および撮像装置 Active JP7490433B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2020071691A JP7490433B2 (ja) 2020-04-13 2020-04-13 縮小光学系および撮像装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020071691A JP7490433B2 (ja) 2020-04-13 2020-04-13 縮小光学系および撮像装置

Publications (3)

Publication Number Publication Date
JP2021167921A JP2021167921A (ja) 2021-10-21
JP2021167921A5 true JP2021167921A5 (enrdf_load_stackoverflow) 2023-04-04
JP7490433B2 JP7490433B2 (ja) 2024-05-27

Family

ID=78079730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020071691A Active JP7490433B2 (ja) 2020-04-13 2020-04-13 縮小光学系および撮像装置

Country Status (1)

Country Link
JP (1) JP7490433B2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023058126A (ja) * 2021-10-13 2023-04-25 株式会社三共 遊技機

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5929214A (ja) * 1982-08-11 1984-02-16 Ricoh Co Ltd 焦点距離の変換可能なレンズ系
JP2000121932A (ja) 1998-10-20 2000-04-28 Minolta Co Ltd 撮影光学系及び縮小光学系
US8903232B1 (en) * 2013-08-05 2014-12-02 Caldwell Photographic, Inc. Optical attachment for reducing the focal length of an objective lens
JP6921595B2 (ja) 2017-04-11 2021-08-18 キヤノン株式会社 光学系及びそれを有する撮像装置
JP2019003074A (ja) 2017-06-16 2019-01-10 キヤノン株式会社 コンバータレンズ及びそれを有する撮像装置

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