JPH0216486B2 - - Google Patents

Info

Publication number
JPH0216486B2
JPH0216486B2 JP56104365A JP10436581A JPH0216486B2 JP H0216486 B2 JPH0216486 B2 JP H0216486B2 JP 56104365 A JP56104365 A JP 56104365A JP 10436581 A JP10436581 A JP 10436581A JP H0216486 B2 JPH0216486 B2 JP H0216486B2
Authority
JP
Japan
Prior art keywords
lens
auxiliary lens
master
light
rear group
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 - Lifetime
Application number
JP56104365A
Other languages
English (en)
Japanese (ja)
Other versions
JPS587113A (ja
Inventor
Saburo Numata
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.)
Fujinon Corp
Original Assignee
Fuji Photo Optical 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 Fuji Photo Optical Co Ltd filed Critical Fuji Photo Optical Co Ltd
Priority to JP10436581A priority Critical patent/JPS587113A/ja
Publication of JPS587113A publication Critical patent/JPS587113A/ja
Publication of JPH0216486B2 publication Critical patent/JPH0216486B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • G02B7/38—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals measured at different points on the optical axis, e.g. focussing on two or more planes and comparing image data

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
JP10436581A 1981-07-06 1981-07-06 多点測光によるオ−トフオ−カス装置 Granted JPS587113A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10436581A JPS587113A (ja) 1981-07-06 1981-07-06 多点測光によるオ−トフオ−カス装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10436581A JPS587113A (ja) 1981-07-06 1981-07-06 多点測光によるオ−トフオ−カス装置

Publications (2)

Publication Number Publication Date
JPS587113A JPS587113A (ja) 1983-01-14
JPH0216486B2 true JPH0216486B2 (en]) 1990-04-17

Family

ID=14378791

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10436581A Granted JPS587113A (ja) 1981-07-06 1981-07-06 多点測光によるオ−トフオ−カス装置

Country Status (1)

Country Link
JP (1) JPS587113A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61107229A (ja) * 1984-10-30 1986-05-26 Sanyo Electric Co Ltd マスタレンズ位置表示回路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH604452A5 (en]) * 1975-12-09 1978-09-15 Foerderung Forschung Gmbh
JPS5353402U (en]) * 1976-10-12 1978-05-08
JPS53136429U (en]) * 1977-04-04 1978-10-28
JPS5413332A (en) * 1977-07-01 1979-01-31 Olympus Optical Co Ltd Display device of focal point of camera
GB2019595B (en) * 1978-04-25 1982-09-29 Polaroid Corp Automatic focusing
JPS55127524A (en) * 1979-03-27 1980-10-02 Mamiya Koki Kk Automatic focus control unit
JPS5622422U (en]) * 1979-07-26 1981-02-27

Also Published As

Publication number Publication date
JPS587113A (ja) 1983-01-14

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