JPH01211712A - ソフトフォーカスレンズ - Google Patents

ソフトフォーカスレンズ

Info

Publication number
JPH01211712A
JPH01211712A JP63036623A JP3662388A JPH01211712A JP H01211712 A JPH01211712 A JP H01211712A JP 63036623 A JP63036623 A JP 63036623A JP 3662388 A JP3662388 A JP 3662388A JP H01211712 A JPH01211712 A JP H01211712A
Authority
JP
Japan
Prior art keywords
lens
group
soft focus
focal length
focus lens
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
JP63036623A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0444243B2 (en, 2012
Inventor
Hiroyuki Hirano
平野　博幸
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority to JP63036623A priority Critical patent/JPH01211712A/ja
Priority to US07/311,919 priority patent/US4948236A/en
Publication of JPH01211712A publication Critical patent/JPH01211712A/ja
Publication of JPH0444243B2 publication Critical patent/JPH0444243B2/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 -
    • G02B9/04—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having two components only
    • G02B9/06—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having two components only two + components
    • G02B9/08—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having two components only two + components arranged about a stop
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/20—Soft-focus objectives

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP63036623A 1988-02-19 1988-02-19 ソフトフォーカスレンズ Granted JPH01211712A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP63036623A JPH01211712A (ja) 1988-02-19 1988-02-19 ソフトフォーカスレンズ
US07/311,919 US4948236A (en) 1988-02-19 1989-02-17 Soft-focus lens system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63036623A JPH01211712A (ja) 1988-02-19 1988-02-19 ソフトフォーカスレンズ

Publications (2)

Publication Number Publication Date
JPH01211712A true JPH01211712A (ja) 1989-08-24
JPH0444243B2 JPH0444243B2 (en, 2012) 1992-07-21

Family

ID=12474942

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63036623A Granted JPH01211712A (ja) 1988-02-19 1988-02-19 ソフトフォーカスレンズ

Country Status (2)

Country Link
US (1) US4948236A (en, 2012)
JP (1) JPH01211712A (en, 2012)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4033978A1 (de) * 1989-10-25 1991-05-02 Asahi Optical Co Ltd Weichzeichnerobjektivsystem
JPH05241068A (ja) * 1991-10-12 1993-09-21 Leica Camera Gmbh トリプレット型写真用対物レンズ

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3528162B2 (ja) * 1995-08-17 2004-05-17 株式会社ニコン ソフトフォーカス切り換え可能なレンズ系
JPH09179023A (ja) * 1995-12-25 1997-07-11 Asahi Optical Co Ltd 広角ソフトフォーカスレンズ
KR100849827B1 (ko) * 2007-02-06 2008-07-31 삼성전기주식회사 초소형 촬상 광학계
US7948550B2 (en) * 2008-06-27 2011-05-24 Ricoh Co., Ltd. Electro-optic imaging system with aberrated triplet lens compensated by digital image processing
EP3098639A1 (de) * 2015-05-28 2016-11-30 Lomographische AG Objektiv zur veränderbaren einstellung der aberrationen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52141223A (en) * 1976-05-20 1977-11-25 Mamiya Camera Soft focus lens
JPS54156531A (en) * 1978-05-31 1979-12-10 Mamiya Camera Aberration variable lens
JPS5552013A (en) * 1978-10-13 1980-04-16 Canon Inc Soft focus lens
JPS5650309A (en) * 1979-10-02 1981-05-07 Mamiya Koki Kk Soft focus lens
JPS55129308A (en) * 1980-03-17 1980-10-07 Minolta Camera Co Ltd Aberration variable lens

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4033978A1 (de) * 1989-10-25 1991-05-02 Asahi Optical Co Ltd Weichzeichnerobjektivsystem
US5267086A (en) * 1989-10-25 1993-11-30 Asahi Kogaku Kogyo K.K. Soft focus lens system
JPH05241068A (ja) * 1991-10-12 1993-09-21 Leica Camera Gmbh トリプレット型写真用対物レンズ
JP2588671B2 (ja) * 1991-10-12 1997-03-05 ライカ カメラ ゲゼルシャフト ミット ベシュレンクテル ハフツング トリプレット型写真用対物レンズ

Also Published As

Publication number Publication date
US4948236A (en) 1990-08-14
JPH0444243B2 (en, 2012) 1992-07-21

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees