JP2024011707A - 光学系 - Google Patents

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Publication number
JP2024011707A
JP2024011707A JP2022113938A JP2022113938A JP2024011707A JP 2024011707 A JP2024011707 A JP 2024011707A JP 2022113938 A JP2022113938 A JP 2022113938A JP 2022113938 A JP2022113938 A JP 2022113938A JP 2024011707 A JP2024011707 A JP 2024011707A
Authority
JP
Japan
Prior art keywords
optical system
lens group
lens
infinity
object side
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.)
Pending
Application number
JP2022113938A
Other languages
English (en)
Japanese (ja)
Other versions
JP2024011707A5 (enExample
Inventor
了 塩田
Ryo Shioda
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.)
Sigma Corp
Original Assignee
Sigma Corp
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 Sigma Corp filed Critical Sigma Corp
Priority to JP2022113938A priority Critical patent/JP2024011707A/ja
Priority to US18/103,174 priority patent/US20240019692A1/en
Priority to CN202310105770.1A priority patent/CN117406402A/zh
Publication of JP2024011707A publication Critical patent/JP2024011707A/ja
Publication of JP2024011707A5 publication Critical patent/JP2024011707A5/ja
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
    • G02B27/005—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration for correction of secondary colour or higher-order chromatic aberrations
    • G02B27/0062—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration for correction of secondary colour or higher-order chromatic aberrations by controlling the dispersion of a lens material, e.g. adapting the relative partial dispersion
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/009—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras having zoom function
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/22—Telecentric objectives or lens systems
    • 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
    • G02B15/146—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 more than five groups
    • G02B15/1461—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 more than five groups the first group being positive
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Lenses (AREA)
  • Adjustment Of Camera Lenses (AREA)
JP2022113938A 2022-07-15 2022-07-15 光学系 Pending JP2024011707A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2022113938A JP2024011707A (ja) 2022-07-15 2022-07-15 光学系
US18/103,174 US20240019692A1 (en) 2022-07-15 2023-01-30 Optical system
CN202310105770.1A CN117406402A (zh) 2022-07-15 2023-02-13 光学系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022113938A JP2024011707A (ja) 2022-07-15 2022-07-15 光学系

Publications (2)

Publication Number Publication Date
JP2024011707A true JP2024011707A (ja) 2024-01-25
JP2024011707A5 JP2024011707A5 (enExample) 2025-04-25

Family

ID=89498789

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022113938A Pending JP2024011707A (ja) 2022-07-15 2022-07-15 光学系

Country Status (3)

Country Link
US (1) US20240019692A1 (enExample)
JP (1) JP2024011707A (enExample)
CN (1) CN117406402A (enExample)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5488000B2 (ja) * 2009-02-02 2014-05-14 リコーイメージング株式会社 高変倍ズームレンズ系
JP6830430B2 (ja) * 2017-12-20 2021-02-17 富士フイルム株式会社 ズームレンズ及び撮像装置
US12282143B2 (en) * 2021-08-27 2025-04-22 Fujifilm Corporation Zoom lens and imaging apparatus
JP7770854B2 (ja) * 2021-10-12 2025-11-17 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

Also Published As

Publication number Publication date
CN117406402A (zh) 2024-01-16
US20240019692A1 (en) 2024-01-18

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Effective date: 20250417

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