JPH0143289B2 - - Google Patents

Info

Publication number
JPH0143289B2
JPH0143289B2 JP23259683A JP23259683A JPH0143289B2 JP H0143289 B2 JPH0143289 B2 JP H0143289B2 JP 23259683 A JP23259683 A JP 23259683A JP 23259683 A JP23259683 A JP 23259683A JP H0143289 B2 JPH0143289 B2 JP H0143289B2
Authority
JP
Japan
Prior art keywords
lens
group
surface facing
concave surface
positive
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.)
Expired
Application number
JP23259683A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60123815A (ja
Inventor
Rei Morimoto
Takehiro Nakaeda
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 JP23259683A priority Critical patent/JPS60123815A/ja
Publication of JPS60123815A publication Critical patent/JPS60123815A/ja
Publication of JPH0143289B2 publication Critical patent/JPH0143289B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/0005—Optical objectives specially designed for the purposes specified below having F-Theta characteristic
    • 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)
  • Mechanical Optical Scanning Systems (AREA)
  • Lenses (AREA)
JP23259683A 1983-12-09 1983-12-09 テレセントリツクｆ・θレンズ Granted JPS60123815A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23259683A JPS60123815A (ja) 1983-12-09 1983-12-09 テレセントリツクｆ・θレンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23259683A JPS60123815A (ja) 1983-12-09 1983-12-09 テレセントリツクｆ・θレンズ

Publications (2)

Publication Number Publication Date
JPS60123815A JPS60123815A (ja) 1985-07-02
JPH0143289B2 true JPH0143289B2 (enrdf_load_stackoverflow) 1989-09-20

Family

ID=16941834

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23259683A Granted JPS60123815A (ja) 1983-12-09 1983-12-09 テレセントリツクｆ・θレンズ

Country Status (1)

Country Link
JP (1) JPS60123815A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2709944B2 (ja) * 1988-09-30 1998-02-04 旭光学工業株式会社 テレセントリックｆθレンズ
US5055663A (en) * 1988-06-28 1991-10-08 Asahi Kogaku Kogyo Kabushiki Kaisha Optical scanning system and method for adjusting thereof
CN110007434B (zh) * 2019-04-04 2023-10-27 南京波长光电科技股份有限公司 一种基于自由曲面的消场曲及消像散的CO2远心f-theta镜头

Also Published As

Publication number Publication date
JPS60123815A (ja) 1985-07-02

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees