JPS60181716A - フアクシミリ用ガウス型レンズ - Google Patents

フアクシミリ用ガウス型レンズ

Info

Publication number
JPS60181716A
JPS60181716A JP3701084A JP3701084A JPS60181716A JP S60181716 A JPS60181716 A JP S60181716A JP 3701084 A JP3701084 A JP 3701084A JP 3701084 A JP3701084 A JP 3701084A JP S60181716 A JPS60181716 A JP S60181716A
Authority
JP
Japan
Prior art keywords
lens
group
convex
facsimile
curve diagram
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.)
Granted
Application number
JP3701084A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0568686B2 (OSRAM
Inventor
Koichi Shinohara
篠原　弘一
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP3701084A priority Critical patent/JPS60181716A/ja
Publication of JPS60181716A publication Critical patent/JPS60181716A/ja
Publication of JPH0568686B2 publication Critical patent/JPH0568686B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP3701084A 1984-02-28 1984-02-28 フアクシミリ用ガウス型レンズ Granted JPS60181716A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3701084A JPS60181716A (ja) 1984-02-28 1984-02-28 フアクシミリ用ガウス型レンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3701084A JPS60181716A (ja) 1984-02-28 1984-02-28 フアクシミリ用ガウス型レンズ

Publications (2)

Publication Number Publication Date
JPS60181716A true JPS60181716A (ja) 1985-09-17
JPH0568686B2 JPH0568686B2 (OSRAM) 1993-09-29

Family

ID=12485707

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3701084A Granted JPS60181716A (ja) 1984-02-28 1984-02-28 フアクシミリ用ガウス型レンズ

Country Status (1)

Country Link
JP (1) JPS60181716A (OSRAM)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63138312A (ja) * 1986-11-20 1988-06-10 ゼロックス　コーポレーション 気体ズームレンズ装置
DE3934168A1 (de) * 1988-10-12 1990-04-26 Asahi Optical Co Ltd Leselinsensystem
US5930056A (en) * 1997-05-07 1999-07-27 Ricoh Company, Ltd Gauss lens

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63138312A (ja) * 1986-11-20 1988-06-10 ゼロックス　コーポレーション 気体ズームレンズ装置
DE3934168A1 (de) * 1988-10-12 1990-04-26 Asahi Optical Co Ltd Leselinsensystem
US4943146A (en) * 1988-10-12 1990-07-24 Asahi Kogaku Kogyo Kabushiki Kaisha Reading lens system
US5930056A (en) * 1997-05-07 1999-07-27 Ricoh Company, Ltd Gauss lens

Also Published As

Publication number Publication date
JPH0568686B2 (OSRAM) 1993-09-29

Similar Documents

Publication Publication Date Title
US4671627A (en) Gaussian lens
US4435049A (en) Telephoto lens system
JPS60181716A (ja) フアクシミリ用ガウス型レンズ
JPS58209707A (ja) 超コンパクト望遠レンズ
JPS58215616A (ja) 対物レンズ
JPH0251115A (ja) レトロフォーカス型広角レンズ
JPS6048014B2 (ja) 広視野接眼レンズ
JPS6011811A (ja) 対称型レンズ
JPH0574806B2 (OSRAM)
JPS6034731B2 (ja) 広角写真レンズ
JPS6161365B2 (OSRAM)
JPH04184311A (ja) 原稿読取用レンズ
JPH08201689A (ja) ４群５枚構成の読取り用光学系
JPS60198512A (ja) クセノタ−ル型写真レンズ
JPH08160297A (ja) 読取用レンズ
JPS63274904A (ja) 前方絞りレンズ系
JPS6055311A (ja) ズ−ムレンズ
JPH01224717A (ja) 高密度トポゴン型レンズ
JPH02230208A (ja) 広角結像レンズ
JP4119074B2 (ja) 読取レンズ
JPS589118A (ja) 複写機用対物レンズ
JPH02113216A (ja) 投影レンズ
JPS59155819A (ja) 写真用レンズ
JPS6214110A (ja) 複写用レンズ
GB2066504A (en) Double Gauss type photo objective lens system