GB1321446A - Symmetrical copying lens system - Google Patents

Symmetrical copying lens system

Info

Publication number
GB1321446A
GB1321446A GB4275170A GB4275170A GB1321446A GB 1321446 A GB1321446 A GB 1321446A GB 4275170 A GB4275170 A GB 4275170A GB 4275170 A GB4275170 A GB 4275170A GB 1321446 A GB1321446 A GB 1321446A
Authority
GB
United Kingdom
Prior art keywords
elements
diaphragm
lens system
lens
cemented
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
GB4275170A
Other languages
English (en)
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of GB1321446A publication Critical patent/GB1321446A/en
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
    • G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
GB4275170A 1969-09-10 1970-09-07 Symmetrical copying lens system Expired GB1321446A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US85673069A 1969-09-10 1969-09-10
US2304870A 1970-03-26 1970-03-26

Publications (1)

Publication Number Publication Date
GB1321446A true GB1321446A (en) 1973-06-27

Family

ID=26696668

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4275170A Expired GB1321446A (en) 1969-09-10 1970-09-07 Symmetrical copying lens system

Country Status (9)

Country Link
JP (2) JPS491206B1 (enrdf_load_stackoverflow)
BE (1) BE755985A (enrdf_load_stackoverflow)
CA (1) CA929389A (enrdf_load_stackoverflow)
DE (1) DE2044897A1 (enrdf_load_stackoverflow)
ES (1) ES383463A1 (enrdf_load_stackoverflow)
FR (1) FR2061647B1 (enrdf_load_stackoverflow)
GB (1) GB1321446A (enrdf_load_stackoverflow)
NL (1) NL7013181A (enrdf_load_stackoverflow)
SE (1) SE369234B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2703914C2 (de) * 1976-03-03 1986-06-26 Xerox Corp., Rochester, N.Y. Vario-Objektiv zur Abbildung zwischen einem festen endlichen Objekt-/Bildebenenabstand

Also Published As

Publication number Publication date
FR2061647B1 (enrdf_load_stackoverflow) 1975-07-04
FR2061647A1 (enrdf_load_stackoverflow) 1971-06-25
BE755985A (fr) 1971-03-10
JPS5038932B1 (enrdf_load_stackoverflow) 1975-12-13
CA929389A (en) 1973-07-03
JPS491206B1 (enrdf_load_stackoverflow) 1974-01-12
SE369234B (enrdf_load_stackoverflow) 1974-08-12
NL7013181A (enrdf_load_stackoverflow) 1971-03-12
DE2044897A1 (de) 1971-03-11
ES383463A1 (es) 1973-07-01

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees