JP7137383B2 - ズームレンズ及び撮像装置 - Google Patents

ズームレンズ及び撮像装置 Download PDF

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Publication number
JP7137383B2
JP7137383B2 JP2018133622A JP2018133622A JP7137383B2 JP 7137383 B2 JP7137383 B2 JP 7137383B2 JP 2018133622 A JP2018133622 A JP 2018133622A JP 2018133622 A JP2018133622 A JP 2018133622A JP 7137383 B2 JP7137383 B2 JP 7137383B2
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Japan
Prior art keywords
lens
lens group
extender
positive
group
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Application number
JP2018133622A
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English (en)
Japanese (ja)
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JP2020012910A5 (enExample
JP2020012910A (ja
Inventor
庄一 竹本
智也 山田
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 JP2018133622A priority Critical patent/JP7137383B2/ja
Priority to US16/507,482 priority patent/US11307400B2/en
Publication of JP2020012910A publication Critical patent/JP2020012910A/ja
Publication of JP2020012910A5 publication Critical patent/JP2020012910A5/ja
Application granted granted Critical
Publication of JP7137383B2 publication Critical patent/JP7137383B2/ja
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/145—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only
    • G02B15/1451—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only the first group being positive
    • G02B15/145125—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only the first group being positive arranged +--++
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/14—Viewfinders
    • G02B23/145—Zoom viewfinders
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
    • G02B15/10—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/12—Fluid-filled or evacuated lenses
    • G02B3/14—Fluid-filled or evacuated lenses of variable focal length
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/02—Viewfinders
    • G03B13/10—Viewfinders adjusting viewfinders field

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Lenses (AREA)
JP2018133622A 2018-07-13 2018-07-13 ズームレンズ及び撮像装置 Active JP7137383B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018133622A JP7137383B2 (ja) 2018-07-13 2018-07-13 ズームレンズ及び撮像装置
US16/507,482 US11307400B2 (en) 2018-07-13 2019-07-10 Zoom lens and image pickup apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018133622A JP7137383B2 (ja) 2018-07-13 2018-07-13 ズームレンズ及び撮像装置

Publications (3)

Publication Number Publication Date
JP2020012910A JP2020012910A (ja) 2020-01-23
JP2020012910A5 JP2020012910A5 (enExample) 2021-08-12
JP7137383B2 true JP7137383B2 (ja) 2022-09-14

Family

ID=69139156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018133622A Active JP7137383B2 (ja) 2018-07-13 2018-07-13 ズームレンズ及び撮像装置

Country Status (2)

Country Link
US (1) US11307400B2 (enExample)
JP (1) JP7137383B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7379017B2 (ja) * 2019-08-20 2023-11-14 キヤノン株式会社 エクステンダレンズ群、ズームレンズ、および撮像装置
CA3162132A1 (en) * 2019-11-21 2021-05-27 Raytheon Canada Limited Optical sighting devices and methods for automatically adjusting an eyebox
CN111443472B (zh) * 2020-05-18 2022-03-01 苏州东方克洛托光电技术有限公司 一种长焦距高变倍比中波红外连续变焦光学系统
JP7752988B2 (ja) * 2021-07-27 2025-10-14 キヤノン株式会社 ズームレンズ、エクステンダ、及び撮像装置
JP2023165285A (ja) 2022-05-02 2023-11-15 キヤノン株式会社 ズームレンズおよび撮像装置
JP2023165292A (ja) 2022-05-02 2023-11-15 キヤノン株式会社 ズームレンズ及び撮像装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018128520A (ja) 2017-02-07 2018-08-16 富士フイルム株式会社 ズームレンズおよび撮像装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6034656B2 (ja) * 2012-10-26 2016-11-30 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP6608125B2 (ja) 2014-05-01 2019-11-20 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
US9739986B2 (en) * 2014-06-13 2017-08-22 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus including the same
JP6405150B2 (ja) * 2014-08-21 2018-10-17 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP6494245B2 (ja) * 2014-10-29 2019-04-03 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP6433259B2 (ja) 2014-11-18 2018-12-05 キヤノン株式会社 ズームレンズ、エクステンダレンズ群、および撮像装置
JP6527328B2 (ja) * 2014-12-26 2019-06-05 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP6643024B2 (ja) 2015-09-30 2020-02-12 キヤノン株式会社 エクステンダレンズ群、ズームレンズおよび撮像装置
US9904044B2 (en) 2015-10-20 2018-02-27 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus including the same
JP2017167417A (ja) 2016-03-17 2017-09-21 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP6800651B2 (ja) 2016-08-09 2020-12-16 キヤノン株式会社 ズームレンズおよびそれを有する撮像装置
JP6789719B2 (ja) 2016-08-09 2020-11-25 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP6949533B2 (ja) 2017-04-11 2021-10-13 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP6882087B2 (ja) 2017-06-09 2021-06-02 キヤノン株式会社 レンズ装置及び撮像装置
JP6942096B2 (ja) * 2018-06-29 2021-09-29 富士フイルム株式会社 ズームレンズ、エクステンダーレンズ、および、撮像装置
JP7007242B2 (ja) * 2018-06-29 2022-01-24 富士フイルム株式会社 ズームレンズおよび撮像装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018128520A (ja) 2017-02-07 2018-08-16 富士フイルム株式会社 ズームレンズおよび撮像装置

Also Published As

Publication number Publication date
JP2020012910A (ja) 2020-01-23
US20200018946A1 (en) 2020-01-16
US11307400B2 (en) 2022-04-19

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