JPS5821712A - 全長の短かい望遠レンズ - Google Patents

全長の短かい望遠レンズ

Info

Publication number
JPS5821712A
JPS5821712A JP12049081A JP12049081A JPS5821712A JP S5821712 A JPS5821712 A JP S5821712A JP 12049081 A JP12049081 A JP 12049081A JP 12049081 A JP12049081 A JP 12049081A JP S5821712 A JPS5821712 A JP S5821712A
Authority
JP
Japan
Prior art keywords
lens
group
focal length
negative
aberration
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
JP12049081A
Other languages
English (en)
Japanese (ja)
Other versions
JPS614087B2 (enrdf_load_html_response
Inventor
Takahiro Sugiyama
孝浩 杉山
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 JP12049081A priority Critical patent/JPS5821712A/ja
Publication of JPS5821712A publication Critical patent/JPS5821712A/ja
Publication of JPS614087B2 publication Critical patent/JPS614087B2/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)
JP12049081A 1981-07-31 1981-07-31 全長の短かい望遠レンズ Granted JPS5821712A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12049081A JPS5821712A (ja) 1981-07-31 1981-07-31 全長の短かい望遠レンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12049081A JPS5821712A (ja) 1981-07-31 1981-07-31 全長の短かい望遠レンズ

Publications (2)

Publication Number Publication Date
JPS5821712A true JPS5821712A (ja) 1983-02-08
JPS614087B2 JPS614087B2 (enrdf_load_html_response) 1986-02-06

Family

ID=14787472

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12049081A Granted JPS5821712A (ja) 1981-07-31 1981-07-31 全長の短かい望遠レンズ

Country Status (1)

Country Link
JP (1) JPS5821712A (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5883892U (ja) * 1981-12-03 1983-06-07 三洋電機株式会社 ヘツドホン
JPH0240606A (ja) * 1988-07-30 1990-02-09 Asahi Optical Co Ltd 望遠写真レンズ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5883892U (ja) * 1981-12-03 1983-06-07 三洋電機株式会社 ヘツドホン
JPH0240606A (ja) * 1988-07-30 1990-02-09 Asahi Optical Co Ltd 望遠写真レンズ

Also Published As

Publication number Publication date
JPS614087B2 (enrdf_load_html_response) 1986-02-06

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