JP7490433B2 - 縮小光学系および撮像装置 - Google Patents

縮小光学系および撮像装置 Download PDF

Info

Publication number
JP7490433B2
JP7490433B2 JP2020071691A JP2020071691A JP7490433B2 JP 7490433 B2 JP7490433 B2 JP 7490433B2 JP 2020071691 A JP2020071691 A JP 2020071691A JP 2020071691 A JP2020071691 A JP 2020071691A JP 7490433 B2 JP7490433 B2 JP 7490433B2
Authority
JP
Japan
Prior art keywords
optical system
reduction optical
lens
reduction
image
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2020071691A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021167921A5 (enrdf_load_stackoverflow
JP2021167921A (ja
Inventor
和也 下村
明彦 結城
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2020071691A priority Critical 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
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Lenses (AREA)
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 JP2021167921A5 (enrdf_load_stackoverflow) 2023-04-04
JP7490433B2 true 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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000121932A (ja) 1998-10-20 2000-04-28 Minolta Co Ltd 撮影光学系及び縮小光学系
JP2018180209A (ja) 2017-04-11 2018-11-15 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

Family Cites Families (2)

* 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
US8903232B1 (en) * 2013-08-05 2014-12-02 Caldwell Photographic, Inc. Optical attachment for reducing the focal length of an objective lens

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000121932A (ja) 1998-10-20 2000-04-28 Minolta Co Ltd 撮影光学系及び縮小光学系
JP2018180209A (ja) 2017-04-11 2018-11-15 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

Also Published As

Publication number Publication date
JP2021167921A (ja) 2021-10-21

Similar Documents

Publication Publication Date Title
JP5495800B2 (ja) 光学系及びそれを有する撮像装置
JP6392148B2 (ja) 撮像レンズおよび撮像装置
JP5893423B2 (ja) ズームレンズおよびそれを有する撮像装置
JP5582706B2 (ja) 光学系及びそれを有する撮像装置
JP5974101B2 (ja) 広角レンズおよび撮像装置
JP2016200743A (ja) 光学系及びそれを有する撮像装置
JP6253379B2 (ja) 光学系及びそれを有する撮像装置
JPH06201988A (ja) 大口径比内焦望遠レンズ
JP2017223755A (ja) 撮像光学系
CN104169774B (zh) 光学系统、光学设备和用于制造光学系统的方法
JP2010276656A (ja) ズームレンズ及びそれを有する撮像装置
JP2015034885A (ja) 単焦点レンズ及びそれを有する撮像装置
JP2020140021A (ja) コンバーターレンズ、交換レンズ、及び撮像装置
JPH11142734A (ja) ズームレンズ
JP7490432B2 (ja) 縮小光学系および撮像装置
JP7490433B2 (ja) 縮小光学系および撮像装置
JP2019152691A (ja) 撮像レンズおよび撮像装置
JP7679219B2 (ja) 光学系およびそれを有する撮像装置
JP6716215B2 (ja) 撮像装置
JP7130245B2 (ja) リアコンバージョンレンズ
JP2019070705A (ja) コンバータ光学系及びそれを有する撮像装置
JP5871554B2 (ja) アタッチメント光学系およびそれを用いた撮像装置
JP4566614B2 (ja) 撮影レンズ及びそれを有する撮像装置
JP2004240123A (ja) レンズ系
JP7580937B2 (ja) 縮小光学系および撮像装置

Legal Events

Date Code Title Description
RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20200616

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230324

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230324

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20231122

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20231128

RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20231213

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240116

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240416

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240515

R150 Certificate of patent or registration of utility model

Ref document number: 7490433

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150