JPH0433005B2 - - Google Patents

Info

Publication number
JPH0433005B2
JPH0433005B2 JP58174297A JP17429783A JPH0433005B2 JP H0433005 B2 JPH0433005 B2 JP H0433005B2 JP 58174297 A JP58174297 A JP 58174297A JP 17429783 A JP17429783 A JP 17429783A JP H0433005 B2 JPH0433005 B2 JP H0433005B2
Authority
JP
Japan
Prior art keywords
lens
curvature
screen
radius
vertex
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
JP58174297A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6067914A (ja
Inventor
Norikazu Arai
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
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 Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP17429783A priority Critical patent/JPS6067914A/ja
Publication of JPS6067914A publication Critical patent/JPS6067914A/ja
Publication of JPH0433005B2 publication Critical patent/JPH0433005B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP17429783A 1983-09-22 1983-09-22 テレビプロジェクタ用投影レンズ Granted JPS6067914A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17429783A JPS6067914A (ja) 1983-09-22 1983-09-22 テレビプロジェクタ用投影レンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17429783A JPS6067914A (ja) 1983-09-22 1983-09-22 テレビプロジェクタ用投影レンズ

Publications (2)

Publication Number Publication Date
JPS6067914A JPS6067914A (ja) 1985-04-18
JPH0433005B2 true JPH0433005B2 (enExample) 1992-06-01

Family

ID=15976198

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17429783A Granted JPS6067914A (ja) 1983-09-22 1983-09-22 テレビプロジェクタ用投影レンズ

Country Status (1)

Country Link
JP (1) JPS6067914A (enExample)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55124114A (en) * 1978-09-08 1980-09-25 Us Precision Lens Inc Projector lens
JPS5734515A (en) * 1980-08-09 1982-02-24 Minolta Camera Co Ltd Refracting index type optical system for video projector
JPS58118616A (ja) * 1982-01-08 1983-07-14 Minolta Camera Co Ltd ビデオプロジエクタ−用屈折型光学系
JPS57108818A (en) * 1980-12-26 1982-07-07 Nippon Kogaku Kk <Nikon> Projection lens
JPS58125007A (ja) * 1982-01-20 1983-07-25 Matsushita Electric Ind Co Ltd 投影レンズ
JPS58139110A (ja) * 1982-02-12 1983-08-18 Matsushita Electric Ind Co Ltd プロジエクシヨンレンズ
JPS58140708A (ja) * 1982-02-16 1983-08-20 Matsushita Electric Ind Co Ltd 投影レンズ

Also Published As

Publication number Publication date
JPS6067914A (ja) 1985-04-18

Similar Documents

Publication Publication Date Title
JP3348899B2 (ja) 投写型テレビ用高速広角レンズ装置
JPH0749450A (ja) 球面色収差の少ない投影レンズ系
JPH0423764B2 (enExample)
CN110794556A (zh) 广角镜头及全景摄像系统
CN108303784A (zh) 一种超短焦投影光学系统
JPS6154202B2 (enExample)
JPH0151809B2 (enExample)
JPH0358087B2 (enExample)
JP3295027B2 (ja) レトロフォーカス型大口径比広角レンズ
JP2000039553A (ja) バックフォーカスの長い広角レンズ
JPH0316002B2 (enExample)
CN117310946B (zh) 光学镜头
CN113419329A (zh) 一种光学系统及投影设备
JPS5849848B2 (ja) フクスウノ レンズ オユウスル ハンシヤシキタイブツレンズ
JPH0677102B2 (ja) 広角レンズ
JPS6142245B2 (enExample)
JP2934458B2 (ja) 投写用レンズ装置及びそれを用いた投写型画像ディスプレイ装置
JP2925188B2 (ja) レトロフォーカス型レンズ
JPH0433005B2 (enExample)
JP2576058B2 (ja) 投影レンズ
JP3281583B2 (ja) レトロフォーカス型広角レンズ
JP2800293B2 (ja) 投影レンズ
JPS61248013A (ja) テレビプロジエクタ−用投影レンズ
JPH0320731B2 (enExample)
JP3345568B2 (ja) 照明レンズ