NL7414169A - OPTICAL SYSTEM WITH VARIABLE MAGNIFICATION. - Google Patents

OPTICAL SYSTEM WITH VARIABLE MAGNIFICATION.

Info

Publication number
NL7414169A
NL7414169A NL7414169A NL7414169A NL7414169A NL 7414169 A NL7414169 A NL 7414169A NL 7414169 A NL7414169 A NL 7414169A NL 7414169 A NL7414169 A NL 7414169A NL 7414169 A NL7414169 A NL 7414169A
Authority
NL
Netherlands
Prior art keywords
optical system
variable magnification
magnification
variable
optical
Prior art date
Application number
NL7414169A
Other languages
Dutch (nl)
Original Assignee
Sopelem
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 Sopelem filed Critical Sopelem
Publication of NL7414169A publication Critical patent/NL7414169A/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • 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
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
NL7414169A 1973-11-09 1974-10-30 OPTICAL SYSTEM WITH VARIABLE MAGNIFICATION. NL7414169A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7339887A FR2251019A1 (en) 1973-11-09 1973-11-09 Optical system of variable magnification - is between fixed relative object and image planes and has single movable optics

Publications (1)

Publication Number Publication Date
NL7414169A true NL7414169A (en) 1975-05-13

Family

ID=9127517

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7414169A NL7414169A (en) 1973-11-09 1974-10-30 OPTICAL SYSTEM WITH VARIABLE MAGNIFICATION.

Country Status (4)

Country Link
BE (1) BE822016A (en)
FR (1) FR2251019A1 (en)
IT (1) IT1024603B (en)
NL (1) NL7414169A (en)

Also Published As

Publication number Publication date
FR2251019B1 (en) 1976-11-19
BE822016A (en) 1975-05-09
FR2251019A1 (en) 1975-06-06
DE2449671A1 (en) 1975-05-22
IT1024603B (en) 1978-07-20
DE2449671B2 (en) 1976-05-26

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