JPS55159410A - Compact copying lens of high aperture efficiency - Google Patents

Compact copying lens of high aperture efficiency

Info

Publication number
JPS55159410A
JPS55159410A JP6614779A JP6614779A JPS55159410A JP S55159410 A JPS55159410 A JP S55159410A JP 6614779 A JP6614779 A JP 6614779A JP 6614779 A JP6614779 A JP 6614779A JP S55159410 A JPS55159410 A JP S55159410A
Authority
JP
Japan
Prior art keywords
lens
stop
face
concave
meniscus lens
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
JP6614779A
Other languages
English (en)
Other versions
JPS619609B2 (ja
Inventor
Koichi Shinohara
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP6614779A priority Critical patent/JPS55159410A/ja
Priority to US06/129,739 priority patent/US4345823A/en
Priority to DE19803020623 priority patent/DE3020623A1/de
Publication of JPS55159410A publication Critical patent/JPS55159410A/ja
Publication of JPS619609B2 publication Critical patent/JPS619609B2/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
    • G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/62—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having six components only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP6614779A 1979-05-30 1979-05-30 Compact copying lens of high aperture efficiency Granted JPS55159410A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP6614779A JPS55159410A (en) 1979-05-30 1979-05-30 Compact copying lens of high aperture efficiency
US06/129,739 US4345823A (en) 1979-05-30 1980-03-12 Reproduction lens having a six group six element composition a large vignetting factor and a compact size
DE19803020623 DE3020623A1 (de) 1979-05-30 1980-05-30 Abbildungsobjektiv

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6614779A JPS55159410A (en) 1979-05-30 1979-05-30 Compact copying lens of high aperture efficiency

Publications (2)

Publication Number Publication Date
JPS55159410A true JPS55159410A (en) 1980-12-11
JPS619609B2 JPS619609B2 (ja) 1986-03-25

Family

ID=13307454

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6614779A Granted JPS55159410A (en) 1979-05-30 1979-05-30 Compact copying lens of high aperture efficiency

Country Status (3)

Country Link
US (1) US4345823A (ja)
JP (1) JPS55159410A (ja)
DE (1) DE3020623A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01279218A (ja) * 1988-05-02 1989-11-09 Dainippon Screen Mfg Co Ltd アポクロマート・レンズ

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0664235B2 (ja) * 1985-03-15 1994-08-22 株式会社リコー 複写用広角レンズ
JP2537353B2 (ja) * 1987-01-29 1996-09-25 株式会社リコー 複写用大口径レンズ
JPH0393604U (ja) * 1990-01-09 1991-09-25
DE102017106837B4 (de) * 2017-03-30 2023-02-23 Carl Zeiss Jena Gmbh Linsensystem für ein Makroobjektiv für den industriellen Einsatz bei der Qualitätssicherung im Produktionsprozess, Makroobjektiv sowie System

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3088371A (en) * 1960-08-05 1963-05-07 Gen Scientific Corp Symmetrical six component photographic objective
US3185031A (en) * 1962-09-04 1965-05-25 Bausch & Lomb Symmetrical projection objective
JPS5110091B2 (ja) * 1972-06-20 1976-04-01
JPS50145225A (ja) * 1974-05-13 1975-11-21
JPS5378838A (en) * 1976-12-22 1978-07-12 Konishiroku Photo Ind Co Ltd Wide-angle lens of symmetrical type

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01279218A (ja) * 1988-05-02 1989-11-09 Dainippon Screen Mfg Co Ltd アポクロマート・レンズ

Also Published As

Publication number Publication date
JPS619609B2 (ja) 1986-03-25
DE3020623A1 (de) 1980-12-11
US4345823A (en) 1982-08-24

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