BE789070A - Optische filters - Google Patents

Optische filters

Info

Publication number
BE789070A
BE789070A BE789070DA BE789070A BE 789070 A BE789070 A BE 789070A BE 789070D A BE789070D A BE 789070DA BE 789070 A BE789070 A BE 789070A
Authority
BE
Belgium
Prior art keywords
optische
filters
optische filters
Prior art date
Application number
Other languages
English (en)
Inventor
A.G. Agfa-Gevaert
Original Assignee
Agfa Gevaert Nv
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.)
Publication date
Publication of BE789070A publication Critical patent/BE789070A/fr

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Optical Filters (AREA)
  • Laminated Bodies (AREA)
BE789070D 1971-09-22 Optische filters BE789070A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712147261 DE2147261C3 (de) 1971-09-22 1971-09-22 Optisches Keilfilter und Verfahren zu seiner Herstellung

Publications (1)

Publication Number Publication Date
BE789070A true BE789070A (fr) 1973-03-21

Family

ID=5820250

Family Applications (1)

Application Number Title Priority Date Filing Date
BE789070D BE789070A (fr) 1971-09-22 Optische filters

Country Status (6)

Country Link
JP (1) JPS577410B2 (fr)
BE (1) BE789070A (fr)
DE (1) DE2147261C3 (fr)
FR (1) FR2153447B1 (fr)
GB (1) GB1392564A (fr)
IT (1) IT965428B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1243279C (zh) * 2002-07-30 2006-02-22 佳能电子株式会社 滤光片制造方法、有该滤光片的光通量光阑装置和照相机

Also Published As

Publication number Publication date
JPS577410B2 (fr) 1982-02-10
GB1392564A (en) 1975-04-30
FR2153447B1 (fr) 1976-10-29
FR2153447A1 (fr) 1973-05-04
DE2147261C3 (de) 1980-02-07
DE2147261A1 (de) 1973-03-29
JPS4841752A (fr) 1973-06-18
DE2147261B2 (de) 1979-05-23
IT965428B (it) 1974-01-31

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