JPH0514243B2 - - Google Patents

Info

Publication number
JPH0514243B2
JPH0514243B2 JP58026890A JP2689083A JPH0514243B2 JP H0514243 B2 JPH0514243 B2 JP H0514243B2 JP 58026890 A JP58026890 A JP 58026890A JP 2689083 A JP2689083 A JP 2689083A JP H0514243 B2 JPH0514243 B2 JP H0514243B2
Authority
JP
Japan
Prior art keywords
lens
plastic lens
hygroscopic
humidity
highly hygroscopic
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
JP58026890A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59154409A (ja
Inventor
Norio Yatsuda
Nobuhiro Tokujuku
Masayuki Muranaka
Hironobu Sato
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2689083A priority Critical patent/JPS59154409A/ja
Publication of JPS59154409A publication Critical patent/JPS59154409A/ja
Publication of JPH0514243B2 publication Critical patent/JPH0514243B2/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
    • G02B7/028—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with means for compensating for changes in temperature or for controlling the temperature; thermal stabilisation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
JP2689083A 1983-02-22 1983-02-22 撮像用レンズ Granted JPS59154409A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2689083A JPS59154409A (ja) 1983-02-22 1983-02-22 撮像用レンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2689083A JPS59154409A (ja) 1983-02-22 1983-02-22 撮像用レンズ

Publications (2)

Publication Number Publication Date
JPS59154409A JPS59154409A (ja) 1984-09-03
JPH0514243B2 true JPH0514243B2 (en]) 1993-02-24

Family

ID=12205842

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2689083A Granted JPS59154409A (ja) 1983-02-22 1983-02-22 撮像用レンズ

Country Status (1)

Country Link
JP (1) JPS59154409A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4001986B2 (ja) * 1997-10-02 2007-10-31 フジノン株式会社 プラスチック製光学レンズ
US10928606B2 (en) 2016-03-23 2021-02-23 Tianjin Ofilm Opto Electronics Co., Ltd. Lens unit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55142308A (en) * 1979-04-24 1980-11-06 Canon Inc Plastic lens holding body
JPS5681801A (en) * 1979-12-06 1981-07-04 Canon Inc Projector
JPS57208519A (en) * 1981-06-19 1982-12-21 Olympus Optical Co Ltd Plastic lens whose lens interval varies with temperature

Also Published As

Publication number Publication date
JPS59154409A (ja) 1984-09-03

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