JPH046928B2 - - Google Patents

Info

Publication number
JPH046928B2
JPH046928B2 JP56183002A JP18300281A JPH046928B2 JP H046928 B2 JPH046928 B2 JP H046928B2 JP 56183002 A JP56183002 A JP 56183002A JP 18300281 A JP18300281 A JP 18300281A JP H046928 B2 JPH046928 B2 JP H046928B2
Authority
JP
Japan
Prior art keywords
lens
range
photographing
distance range
photographing distance
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
JP56183002A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5885407A (ja
Inventor
Tadao Takagi
Nobuo Okabe
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
Priority to JP18300281A priority Critical patent/JPS5885407A/ja
Priority to US06/441,786 priority patent/US4482234A/en
Publication of JPS5885407A publication Critical patent/JPS5885407A/ja
Publication of JPH046928B2 publication Critical patent/JPH046928B2/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
    • G02B7/34—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)
  • Lens Barrels (AREA)
  • Automatic Focus Adjustment (AREA)
JP18300281A 1981-11-17 1981-11-17 撮影距離範囲設定装置を有するレンズ鏡筒 Granted JPS5885407A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP18300281A JPS5885407A (ja) 1981-11-17 1981-11-17 撮影距離範囲設定装置を有するレンズ鏡筒
US06/441,786 US4482234A (en) 1981-11-17 1982-11-15 Automatic focusing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18300281A JPS5885407A (ja) 1981-11-17 1981-11-17 撮影距離範囲設定装置を有するレンズ鏡筒

Publications (2)

Publication Number Publication Date
JPS5885407A JPS5885407A (ja) 1983-05-21
JPH046928B2 true JPH046928B2 (fr) 1992-02-07

Family

ID=16128032

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18300281A Granted JPS5885407A (ja) 1981-11-17 1981-11-17 撮影距離範囲設定装置を有するレンズ鏡筒

Country Status (1)

Country Link
JP (1) JPS5885407A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04178607A (ja) * 1990-11-14 1992-06-25 Nikon Corp 自動合焦装置
JP5500786B2 (ja) * 2008-05-30 2014-05-21 キヤノン株式会社 投射型表示装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54113334A (en) * 1978-02-24 1979-09-04 Nippon Chemical Ind Apparatus for detecting focus point position

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54113334A (en) * 1978-02-24 1979-09-04 Nippon Chemical Ind Apparatus for detecting focus point position

Also Published As

Publication number Publication date
JPS5885407A (ja) 1983-05-21

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