JPH0426442B2 - - Google Patents

Info

Publication number
JPH0426442B2
JPH0426442B2 JP13726584A JP13726584A JPH0426442B2 JP H0426442 B2 JPH0426442 B2 JP H0426442B2 JP 13726584 A JP13726584 A JP 13726584A JP 13726584 A JP13726584 A JP 13726584A JP H0426442 B2 JPH0426442 B2 JP H0426442B2
Authority
JP
Japan
Prior art keywords
lens
group lens
group
focal length
lenses
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
Application number
JP13726584A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6117112A (ja
Inventor
Kazuo Matsuoka
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.)
NORITA KOGAKU KK
Original Assignee
NORITA 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 NORITA KOGAKU KK filed Critical NORITA KOGAKU KK
Priority to JP13726584A priority Critical patent/JPS6117112A/ja
Publication of JPS6117112A publication Critical patent/JPS6117112A/ja
Publication of JPH0426442B2 publication Critical patent/JPH0426442B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/001Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/02Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0025Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP13726584A 1984-07-04 1984-07-04 投影レンズ Granted JPS6117112A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13726584A JPS6117112A (ja) 1984-07-04 1984-07-04 投影レンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13726584A JPS6117112A (ja) 1984-07-04 1984-07-04 投影レンズ

Publications (2)

Publication Number Publication Date
JPS6117112A JPS6117112A (ja) 1986-01-25
JPH0426442B2 true JPH0426442B2 (enrdf_load_html_response) 1992-05-07

Family

ID=15194627

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13726584A Granted JPS6117112A (ja) 1984-07-04 1984-07-04 投影レンズ

Country Status (1)

Country Link
JP (1) JPS6117112A (enrdf_load_html_response)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63148220A (ja) * 1986-12-12 1988-06-21 Konica Corp プロジエクタ−用投影レンズ
JPS6364015A (ja) * 1986-09-05 1988-03-22 Konica Corp プロジエクタ−用投影レンズ
JPH03103807A (ja) * 1989-09-19 1991-04-30 Nikon Corp 投影レンズ

Also Published As

Publication number Publication date
JPS6117112A (ja) 1986-01-25

Similar Documents

Publication Publication Date Title
JP2002031754A (ja) 投射用レンズ装置および投射型画像表示装置
US4603950A (en) Projection lens
CN110297317A (zh) 一种成像镜头
CN118393703A (zh) 光学镜头
US20210191089A1 (en) Telephoto lens
EP0822433A2 (en) Large relative aperture telecentric lens
CN114384677B (zh) 一种内窥镜用物镜及内窥镜
JPH09222558A (ja) 広角レンズ
JP2506709B2 (ja) 高精細度テレビ用投写レンズ
CN221101130U (zh) 一种超长后工作距离反摄远镜头
US6104553A (en) Image-forming lens
CN114815135A (zh) 摄像镜头、摄像装置及电子设备
JP2637317B2 (ja) 投写レンズ
JPS6132654B2 (enrdf_load_html_response)
JPH0750245B2 (ja) 投影レンズ
JPH0814653B2 (ja) 投影レンズ
JPH0426442B2 (enrdf_load_html_response)
JP2000206409A (ja) ズ―ムレンズ及びそれを有するプロジェクション装置
JP2813744B2 (ja) 投写レンズ
JP2617908B2 (ja) 投写光学装置
JP2576058B2 (ja) 投影レンズ
JPH0558526B2 (enrdf_load_html_response)
JP2800293B2 (ja) 投影レンズ
JP2629095B2 (ja) 投写レンズ
JP2000147377A (ja) 投写用レンズ装置及びこれを用いた背面投写型画像ディスプレイ装置