JPS572012A - Triplet lens having last diaphragm - Google Patents

Triplet lens having last diaphragm

Info

Publication number
JPS572012A
JPS572012A JP7439080A JP7439080A JPS572012A JP S572012 A JPS572012 A JP S572012A JP 7439080 A JP7439080 A JP 7439080A JP 7439080 A JP7439080 A JP 7439080A JP S572012 A JPS572012 A JP S572012A
Authority
JP
Japan
Prior art keywords
lens
object side
focal length
diaphragm
proximity
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
JP7439080A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0211883B2 (en]
Inventor
Shozo Ishiyama
Ryoko Watabe
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 JP7439080A priority Critical patent/JPS572012A/ja
Publication of JPS572012A publication Critical patent/JPS572012A/ja
Publication of JPH0211883B2 publication Critical patent/JPH0211883B2/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 -
    • G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
    • G02B9/14—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - +
    • G02B9/16—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - + all the components being simple

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP7439080A 1980-06-04 1980-06-04 Triplet lens having last diaphragm Granted JPS572012A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7439080A JPS572012A (en) 1980-06-04 1980-06-04 Triplet lens having last diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7439080A JPS572012A (en) 1980-06-04 1980-06-04 Triplet lens having last diaphragm

Publications (2)

Publication Number Publication Date
JPS572012A true JPS572012A (en) 1982-01-07
JPH0211883B2 JPH0211883B2 (en]) 1990-03-16

Family

ID=13545795

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7439080A Granted JPS572012A (en) 1980-06-04 1980-06-04 Triplet lens having last diaphragm

Country Status (1)

Country Link
JP (1) JPS572012A (en])

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4522471A (en) * 1982-08-20 1985-06-11 Olympus Optical Co., Ltd. Adapter lens system for use with photographic cameras
US4542961A (en) * 1983-03-03 1985-09-24 Canon Kabushiki Kaisha Triplet type objective
JPS61134720A (ja) * 1984-12-05 1986-06-21 Nitto Kogaku Kk フアクシミリ用レンズ
JPS63180924A (ja) * 1987-01-22 1988-07-26 Asahi Optical Co Ltd 複写用レンズ
US4787724A (en) * 1986-02-07 1988-11-29 Minolta Camera Kabushiki Kaisha Triplet type objective with a diaphragm arranged behind the lens system
JPH02222911A (ja) * 1988-11-29 1990-09-05 Nikon Corp ビハインド絞りを有するトリプレットレンズ

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4522471A (en) * 1982-08-20 1985-06-11 Olympus Optical Co., Ltd. Adapter lens system for use with photographic cameras
US4542961A (en) * 1983-03-03 1985-09-24 Canon Kabushiki Kaisha Triplet type objective
JPS61134720A (ja) * 1984-12-05 1986-06-21 Nitto Kogaku Kk フアクシミリ用レンズ
US4787724A (en) * 1986-02-07 1988-11-29 Minolta Camera Kabushiki Kaisha Triplet type objective with a diaphragm arranged behind the lens system
JPS63180924A (ja) * 1987-01-22 1988-07-26 Asahi Optical Co Ltd 複写用レンズ
JPH02222911A (ja) * 1988-11-29 1990-09-05 Nikon Corp ビハインド絞りを有するトリプレットレンズ

Also Published As

Publication number Publication date
JPH0211883B2 (en]) 1990-03-16

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