DE3048707C2 - Kompaktes photographisches Objektiv - Google Patents

Kompaktes photographisches Objektiv

Info

Publication number
DE3048707C2
DE3048707C2 DE3048707A DE3048707A DE3048707C2 DE 3048707 C2 DE3048707 C2 DE 3048707C2 DE 3048707 A DE3048707 A DE 3048707A DE 3048707 A DE3048707 A DE 3048707A DE 3048707 C2 DE3048707 C2 DE 3048707C2
Authority
DE
Germany
Prior art keywords
lens
deep
aspherical surface
focal length
large delta
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
DE3048707A
Other languages
German (de)
English (en)
Other versions
DE3048707A1 (de
Inventor
Kikuo Yokohama Kanagawa Momiyama
Yasuyuki Nakano Tokio/Tokyo Yamada
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Publication of DE3048707A1 publication Critical patent/DE3048707A1/de
Application granted granted Critical
Publication of DE3048707C2 publication Critical patent/DE3048707C2/de
Expired 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
    • G02B13/04—Reversed telephoto objectives
    • 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
    • G02B9/36—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only arranged + -- +

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
DE3048707A 1979-12-27 1980-12-23 Kompaktes photographisches Objektiv Expired DE3048707C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17240579A JPS5694317A (en) 1979-12-27 1979-12-27 Photographic lens of small size

Publications (2)

Publication Number Publication Date
DE3048707A1 DE3048707A1 (de) 1981-09-10
DE3048707C2 true DE3048707C2 (de) 1986-09-25

Family

ID=15941333

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3048707A Expired DE3048707C2 (de) 1979-12-27 1980-12-23 Kompaktes photographisches Objektiv

Country Status (3)

Country Link
US (1) US4368956A (en, 2012)
JP (1) JPS5694317A (en, 2012)
DE (1) DE3048707C2 (en, 2012)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57116313A (en) * 1981-01-13 1982-07-20 Canon Inc Compact photographic lens
JPS57135911A (en) * 1981-02-14 1982-08-21 Canon Inc Small-size photographic lens
JPS57171309A (en) * 1981-04-15 1982-10-21 Olympus Optical Co Ltd Lens for compact camera having short total length
JPS581117A (ja) * 1981-06-27 1983-01-06 Canon Inc 写真用レンズ
JPS5846312A (ja) * 1981-09-12 1983-03-17 Canon Inc 写真レンズ
JPS5857106A (ja) * 1981-10-01 1983-04-05 Konishiroku Photo Ind Co Ltd 全長の短い広角レンズ
JPS58107509A (ja) * 1981-12-21 1983-06-27 Canon Inc 部分フオ−カス方式の撮影レンズ
JPS59137916A (ja) * 1983-01-27 1984-08-08 Olympus Optical Co Ltd 全長の短い写真レンズ
JPS59229516A (ja) * 1983-06-13 1984-12-24 Konishiroku Photo Ind Co Ltd 広角レンズ
JPS60121413A (ja) * 1983-12-06 1985-06-28 Canon Inc コンパクトな写真レンズ
JPS616616A (ja) * 1984-06-20 1986-01-13 Konishiroku Photo Ind Co Ltd 広角レンズ
JPS6115114A (ja) * 1984-07-02 1986-01-23 Olympus Optical Co Ltd 非球面を用いた全長の短いコンパクトカメラ用レンズ
US4688906A (en) * 1985-12-30 1987-08-25 Capitol Records Three dimensional reflex lens systems
JPS6426811A (en) * 1987-04-28 1989-01-30 Minolta Camera Kk Compact photographic lens system with postpositioned stop
US5513042A (en) * 1993-06-29 1996-04-30 Ricoh Company, Ltd. Lens system with master lens system and conversion lens
JPH09101452A (ja) * 1995-10-05 1997-04-15 Fuji Photo Optical Co Ltd 読取用レンズ
JP3856258B2 (ja) * 1997-12-25 2006-12-13 フジノン株式会社 画像読取用レンズおよびこれを用いた画像読取装置
US6948650B2 (en) 2001-01-12 2005-09-27 Speedline Technologies, Inc. Dross removal and solder reclamation improvements
US6666370B2 (en) 2002-01-18 2003-12-23 Speedline Technologies, Inc. Solder-dross mixture separation method and apparatus
JP5475978B2 (ja) * 2008-10-24 2014-04-16 富士フイルム株式会社 撮像レンズ、およびカメラモジュールならびに撮像機器
JP7146561B2 (ja) * 2018-10-16 2022-10-04 キヤノン株式会社 結像光学系、それを備える撮像装置及びアクセサリ装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2446402A (en) * 1946-09-21 1948-08-03 Eastman Kodak Co Camera lens
GB1269133A (en) * 1969-07-16 1972-04-06 Rank Organisation Ltd Lens systems
JPS5248010B2 (en, 2012) * 1973-12-05 1977-12-07
JPS5248011B2 (en, 2012) * 1974-05-14 1977-12-07
JPS5476148A (en) * 1977-11-29 1979-06-18 Olympus Optical Co Ltd Focusing method for photo graphic lens
JPS5573014A (en) * 1978-11-28 1980-06-02 Olympus Optical Co Ltd Photographic lens

Also Published As

Publication number Publication date
DE3048707A1 (de) 1981-09-10
US4368956A (en) 1983-01-18
JPS6352364B2 (en, 2012) 1988-10-18
JPS5694317A (en) 1981-07-30

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition