DE2738385C3 - Weitwinkelobjektiv vom Typ eines umgekehrten Teleobjektivs - Google Patents

Weitwinkelobjektiv vom Typ eines umgekehrten Teleobjektivs

Info

Publication number
DE2738385C3
DE2738385C3 DE2738385A DE2738385A DE2738385C3 DE 2738385 C3 DE2738385 C3 DE 2738385C3 DE 2738385 A DE2738385 A DE 2738385A DE 2738385 A DE2738385 A DE 2738385A DE 2738385 C3 DE2738385 C3 DE 2738385C3
Authority
DE
Germany
Prior art keywords
lens
front surface
positive
biconvex
curvature
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
DE2738385A
Other languages
German (de)
English (en)
Other versions
DE2738385B2 (de
DE2738385A1 (de
Inventor
Yoshikazu Doi
Yutaka Sakai
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.)
Fujinon Corp
Original Assignee
Fuji Photo Optical 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 Fuji Photo Optical Co Ltd filed Critical Fuji Photo Optical Co Ltd
Publication of DE2738385A1 publication Critical patent/DE2738385A1/de
Publication of DE2738385B2 publication Critical patent/DE2738385B2/de
Application granted granted Critical
Publication of DE2738385C3 publication Critical patent/DE2738385C3/de
Expired 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
    • G02B13/04—Reversed telephoto objectives

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
DE2738385A 1976-08-27 1977-08-25 Weitwinkelobjektiv vom Typ eines umgekehrten Teleobjektivs Expired DE2738385C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10243376A JPS5328421A (en) 1976-08-27 1976-08-27 Super wid e angle lens of reverse telephoto type

Publications (3)

Publication Number Publication Date
DE2738385A1 DE2738385A1 (de) 1978-03-02
DE2738385B2 DE2738385B2 (de) 1980-02-14
DE2738385C3 true DE2738385C3 (de) 1980-10-16

Family

ID=14327323

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2738385A Expired DE2738385C3 (de) 1976-08-27 1977-08-25 Weitwinkelobjektiv vom Typ eines umgekehrten Teleobjektivs

Country Status (3)

Country Link
US (1) US4158482A (cg-RX-API-DMAC10.html)
JP (1) JPS5328421A (cg-RX-API-DMAC10.html)
DE (1) DE2738385C3 (cg-RX-API-DMAC10.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56110914A (en) * 1980-02-05 1981-09-02 Asahi Optical Co Ltd Bright wide-angle lens for small-sized color video camera
JP4638214B2 (ja) * 2004-12-15 2011-02-23 Ｈｏｙａ株式会社 大口径広角レンズ系

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4920221B1 (cg-RX-API-DMAC10.html) 1970-09-30 1974-05-23
US3958864A (en) * 1973-11-28 1976-05-25 Carl Zeiss Stiftung High power photographic objective with large angular field

Also Published As

Publication number Publication date
DE2738385B2 (de) 1980-02-14
JPS5328421A (en) 1978-03-16
US4158482A (en) 1979-06-19
DE2738385A1 (de) 1978-03-02
JPS5736564B2 (cg-RX-API-DMAC10.html) 1982-08-04

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8328 Change in the person/name/address of the agent

Free format text: KLUNKER, H., DIPL.-ING. DR.RER.NAT., PAT.-ANW., 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee