JP2000111796A - 投影変倍レンズ系 - Google Patents

投影変倍レンズ系

Info

Publication number
JP2000111796A
JP2000111796A JP10278216A JP27821698A JP2000111796A JP 2000111796 A JP2000111796 A JP 2000111796A JP 10278216 A JP10278216 A JP 10278216A JP 27821698 A JP27821698 A JP 27821698A JP 2000111796 A JP2000111796 A JP 2000111796A
Authority
JP
Japan
Prior art keywords
lens
focal length
lens group
positive
enlargement 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.)
Withdrawn
Application number
JP10278216A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000111796A5 (enrdf_load_stackoverflow
Inventor
Nobutaka Minefuji
延孝 峯藤
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority to JP10278216A priority Critical patent/JP2000111796A/ja
Publication of JP2000111796A publication Critical patent/JP2000111796A/ja
Publication of JP2000111796A5 publication Critical patent/JP2000111796A5/ja
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G02B15/143—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 three groups only
    • G02B15/1431—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 three groups only the first group being positive
    • G02B15/143105—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 three groups only the first group being positive arranged +-+
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP10278216A 1998-09-30 1998-09-30 投影変倍レンズ系 Withdrawn JP2000111796A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10278216A JP2000111796A (ja) 1998-09-30 1998-09-30 投影変倍レンズ系

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10278216A JP2000111796A (ja) 1998-09-30 1998-09-30 投影変倍レンズ系

Publications (2)

Publication Number Publication Date
JP2000111796A true JP2000111796A (ja) 2000-04-21
JP2000111796A5 JP2000111796A5 (enrdf_load_stackoverflow) 2005-09-22

Family

ID=17594232

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10278216A Withdrawn JP2000111796A (ja) 1998-09-30 1998-09-30 投影変倍レンズ系

Country Status (1)

Country Link
JP (1) JP2000111796A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1562062B1 (de) * 2004-01-09 2011-11-16 Carl Zeiss Sports Optics GmbH Zoom-Fernrohr
CN103064178A (zh) * 2011-10-21 2013-04-24 株式会社腾龙 变焦透镜
CN110837181A (zh) * 2019-12-20 2020-02-25 江苏林兴光学有限公司 一种日夜共焦光学镜头及成像设备
CN115248538A (zh) * 2022-09-22 2022-10-28 之江实验室 一种dmd无掩膜光刻机的投影物镜镜头
CN116243461A (zh) * 2023-02-03 2023-06-09 福建浩蓝光电有限公司 一种用于工业线扫低畸变大靶面镜头

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1562062B1 (de) * 2004-01-09 2011-11-16 Carl Zeiss Sports Optics GmbH Zoom-Fernrohr
CN103064178A (zh) * 2011-10-21 2013-04-24 株式会社腾龙 变焦透镜
JP2013088782A (ja) * 2011-10-21 2013-05-13 Tamron Co Ltd ズームレンズ
CN110837181A (zh) * 2019-12-20 2020-02-25 江苏林兴光学有限公司 一种日夜共焦光学镜头及成像设备
CN115248538A (zh) * 2022-09-22 2022-10-28 之江实验室 一种dmd无掩膜光刻机的投影物镜镜头
CN115248538B (zh) * 2022-09-22 2022-12-27 之江实验室 一种dmd无掩膜光刻机的投影物镜镜头
CN116243461A (zh) * 2023-02-03 2023-06-09 福建浩蓝光电有限公司 一种用于工业线扫低畸变大靶面镜头

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