JPH0478965B2 - - Google Patents

Info

Publication number
JPH0478965B2
JPH0478965B2 JP57172730A JP17273082A JPH0478965B2 JP H0478965 B2 JPH0478965 B2 JP H0478965B2 JP 57172730 A JP57172730 A JP 57172730A JP 17273082 A JP17273082 A JP 17273082A JP H0478965 B2 JPH0478965 B2 JP H0478965B2
Authority
JP
Japan
Prior art keywords
lens barrel
helicoid screw
helicoid
focus lens
guide portion
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
JP57172730A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5961804A (ja
Inventor
Takehiro Okada
Masataka Isaki
Tomokazu Tokunaga
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP17273082A priority Critical patent/JPS5961804A/ja
Publication of JPS5961804A publication Critical patent/JPS5961804A/ja
Publication of JPH0478965B2 publication Critical patent/JPH0478965B2/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
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
JP17273082A 1982-09-30 1982-09-30 レンズ鏡胴 Granted JPS5961804A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17273082A JPS5961804A (ja) 1982-09-30 1982-09-30 レンズ鏡胴

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17273082A JPS5961804A (ja) 1982-09-30 1982-09-30 レンズ鏡胴

Publications (2)

Publication Number Publication Date
JPS5961804A JPS5961804A (ja) 1984-04-09
JPH0478965B2 true JPH0478965B2 (en]) 1992-12-14

Family

ID=15947252

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17273082A Granted JPS5961804A (ja) 1982-09-30 1982-09-30 レンズ鏡胴

Country Status (1)

Country Link
JP (1) JPS5961804A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6083440B2 (ja) * 2015-01-27 2017-02-22 セイコーエプソン株式会社 投写光学装置、およびプロジェクター
US10180560B2 (en) 2015-01-27 2019-01-15 Seiko Epson Corporation Optical projection device and projector that corrects the inclination of the movable lens frame with respect to the optical axis
JP6036861B2 (ja) * 2015-01-27 2016-11-30 セイコーエプソン株式会社 投写光学装置、およびプロジェクター
JP6036895B2 (ja) * 2015-03-27 2016-11-30 セイコーエプソン株式会社 投写光学装置およびプロジェクター

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5477132A (en) * 1977-12-01 1979-06-20 Konishiroku Photo Ind Co Ltd Lens structure
JPS55133006A (en) * 1979-04-04 1980-10-16 Asahi Optical Co Ltd Close-up photographing changeover device of zoom lens barrel

Also Published As

Publication number Publication date
JPS5961804A (ja) 1984-04-09

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