JPS58196517A - 小型望遠写真レンズ - Google Patents

小型望遠写真レンズ

Info

Publication number
JPS58196517A
JPS58196517A JP57080799A JP8079982A JPS58196517A JP S58196517 A JPS58196517 A JP S58196517A JP 57080799 A JP57080799 A JP 57080799A JP 8079982 A JP8079982 A JP 8079982A JP S58196517 A JPS58196517 A JP S58196517A
Authority
JP
Japan
Prior art keywords
lens
refractive index
focal length
condition
negative
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.)
Granted
Application number
JP57080799A
Other languages
English (en)
Japanese (ja)
Other versions
JPS614089B2 (OSRAM
Inventor
Satoru Tachihara
立原　悟
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 JP57080799A priority Critical patent/JPS58196517A/ja
Priority to US06/492,379 priority patent/US4550987A/en
Publication of JPS58196517A publication Critical patent/JPS58196517A/ja
Publication of JPS614089B2 publication Critical patent/JPS614089B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP57080799A 1982-05-13 1982-05-13 小型望遠写真レンズ Granted JPS58196517A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57080799A JPS58196517A (ja) 1982-05-13 1982-05-13 小型望遠写真レンズ
US06/492,379 US4550987A (en) 1982-05-13 1983-05-06 Small size telephoto lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57080799A JPS58196517A (ja) 1982-05-13 1982-05-13 小型望遠写真レンズ

Publications (2)

Publication Number Publication Date
JPS58196517A true JPS58196517A (ja) 1983-11-16
JPS614089B2 JPS614089B2 (OSRAM) 1986-02-06

Family

ID=13728501

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57080799A Granted JPS58196517A (ja) 1982-05-13 1982-05-13 小型望遠写真レンズ

Country Status (2)

Country Link
US (1) US4550987A (OSRAM)
JP (1) JPS58196517A (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5508847A (en) * 1992-02-13 1996-04-16 Nikon Corporation Telephoto zoom lens for 35 mm photos
TWI435138B (zh) 2011-06-20 2014-04-21 Largan Precision Co 影像拾取光學系統
US9874721B2 (en) 2015-02-09 2018-01-23 Apple Inc. Camera lens system
US9817213B2 (en) 2015-04-23 2017-11-14 Apple Inc. Camera lens system with five lens components
US10274700B2 (en) 2015-05-21 2019-04-30 Apple Inc. Camera lens system
TW202345743A (zh) * 2022-05-18 2023-12-01 光芒光學股份有限公司 光學鏡頭

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5327422A (en) * 1976-08-26 1978-03-14 Asahi Optical Co Ltd Small telephotographic lens
JPS6033249B2 (ja) * 1977-11-16 1985-08-01 キヤノン株式会社 望遠レンズ

Also Published As

Publication number Publication date
JPS614089B2 (OSRAM) 1986-02-06
US4550987A (en) 1985-11-05

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