DE2304634A1 - Fokuseinstellvorrichtung fuer optische systeme - Google Patents

Fokuseinstellvorrichtung fuer optische systeme

Info

Publication number
DE2304634A1
DE2304634A1 DE19732304634 DE2304634A DE2304634A1 DE 2304634 A1 DE2304634 A1 DE 2304634A1 DE 19732304634 DE19732304634 DE 19732304634 DE 2304634 A DE2304634 A DE 2304634A DE 2304634 A1 DE2304634 A1 DE 2304634A1
Authority
DE
Germany
Prior art keywords
optical
sawtooth
adjustment device
focus adjustment
plate
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.)
Pending
Application number
DE19732304634
Other languages
German (de)
English (en)
Inventor
Yasuo Yamazaki
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.)
Minolta Co Ltd
Original Assignee
Minolta 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 Minolta Co Ltd filed Critical Minolta Co Ltd
Publication of DE2304634A1 publication Critical patent/DE2304634A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/40—Optical focusing aids
    • 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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/18—Focusing aids

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Viewfinders (AREA)
  • Optical Couplings Of Light Guides (AREA)
DE19732304634 1972-01-31 1973-01-31 Fokuseinstellvorrichtung fuer optische systeme Pending DE2304634A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1210272U JPS4889249U (enExample) 1972-01-31 1972-01-31

Publications (1)

Publication Number Publication Date
DE2304634A1 true DE2304634A1 (de) 1973-08-09

Family

ID=11796193

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732304634 Pending DE2304634A1 (de) 1972-01-31 1973-01-31 Fokuseinstellvorrichtung fuer optische systeme

Country Status (2)

Country Link
JP (1) JPS4889249U (enExample)
DE (1) DE2304634A1 (enExample)

Also Published As

Publication number Publication date
JPS4889249U (enExample) 1973-10-27

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