CA929389A - Split dagor-type of symmetrical copying lens system - Google Patents

Split dagor-type of symmetrical copying lens system

Info

Publication number
CA929389A
CA929389A CA090581A CA90581A CA929389A CA 929389 A CA929389 A CA 929389A CA 090581 A CA090581 A CA 090581A CA 90581 A CA90581 A CA 90581A CA 929389 A CA929389 A CA 929389A
Authority
CA
Canada
Prior art keywords
type
lens system
copying lens
symmetrical
dagor
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
CA090581A
Other languages
English (en)
Other versions
CA90581S (en
Inventor
L. Mccrobie George
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
Application granted granted Critical
Publication of CA929389A publication Critical patent/CA929389A/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)
CA090581A 1969-09-10 1970-08-12 Split dagor-type of symmetrical copying lens system Expired CA929389A (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
CA929389A true CA929389A (en) 1973-07-03

Family

ID=26696668

Family Applications (1)

Application Number Title Priority Date Filing Date
CA090581A Expired CA929389A (en) 1969-09-10 1970-08-12 Split dagor-type of symmetrical copying lens system

Country Status (9)

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

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
FR2061647A1 (fr) 1971-06-25
NL7013181A (fr) 1971-03-12
GB1321446A (en) 1973-06-27
JPS5038932B1 (fr) 1975-12-13
ES383463A1 (es) 1973-07-01
FR2061647B1 (fr) 1975-07-04
DE2044897A1 (de) 1971-03-11
JPS491206B1 (fr) 1974-01-12
SE369234B (fr) 1974-08-12
BE755985A (fr) 1971-03-10

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