DE3010963A1 - Einrichtung zur feststellung der scharfeinstellung - Google Patents

Einrichtung zur feststellung der scharfeinstellung

Info

Publication number
DE3010963A1
DE3010963A1 DE19803010963 DE3010963A DE3010963A1 DE 3010963 A1 DE3010963 A1 DE 3010963A1 DE 19803010963 DE19803010963 DE 19803010963 DE 3010963 A DE3010963 A DE 3010963A DE 3010963 A1 DE3010963 A1 DE 3010963A1
Authority
DE
Germany
Prior art keywords
shield
determining
image
focus
lens
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.)
Withdrawn
Application number
DE19803010963
Other languages
German (de)
English (en)
Inventor
Toru Fukuhara
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.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
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 Nippon Kogaku KK filed Critical Nippon Kogaku KK
Publication of DE3010963A1 publication Critical patent/DE3010963A1/de
Withdrawn legal-status Critical Current

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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/18—Focusing aids
    • G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/34—Systems for automatic generation of focusing signals using different areas in a pupil plane

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
DE19803010963 1979-04-21 1980-03-21 Einrichtung zur feststellung der scharfeinstellung Withdrawn DE3010963A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979052771U JPS591204Y2 (ja) 1979-04-21 1979-04-21 焦点検出装置における補正装置

Publications (1)

Publication Number Publication Date
DE3010963A1 true DE3010963A1 (de) 1980-11-06

Family

ID=12924120

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803010963 Withdrawn DE3010963A1 (de) 1979-04-21 1980-03-21 Einrichtung zur feststellung der scharfeinstellung

Country Status (3)

Country Link
US (1) US4322615A (enExample)
JP (1) JPS591204Y2 (enExample)
DE (1) DE3010963A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58202412A (ja) * 1982-05-21 1983-11-25 Canon Inc 焦点検出装置
JPS59121613U (ja) * 1983-02-05 1984-08-16 キヤノン株式会社 焦点検出装置
JPH1090594A (ja) * 1996-09-17 1998-04-10 Nikon Corp 焦点検出装置を有する光学系

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943359A (en) * 1973-06-15 1976-03-09 Hitachi, Ltd. Apparatus for relatively positioning a plurality of objects by the use of a scanning optoelectric microscope
US4117325A (en) * 1975-08-22 1978-09-26 Ernst Leitz Wetzlar Gmbh Optical objective focus indicator and display
JPS54145133A (en) * 1978-05-02 1979-11-13 Asahi Optical Co Ltd Focus detector

Also Published As

Publication number Publication date
JPS591204Y2 (ja) 1984-01-13
JPS55155223U (enExample) 1980-11-08
US4322615A (en) 1982-03-30

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee