JPS6278520A - 非球面を有した広角レンズ - Google Patents

非球面を有した広角レンズ

Info

Publication number
JPS6278520A
JPS6278520A JP21951585A JP21951585A JPS6278520A JP S6278520 A JPS6278520 A JP S6278520A JP 21951585 A JP21951585 A JP 21951585A JP 21951585 A JP21951585 A JP 21951585A JP S6278520 A JPS6278520 A JP S6278520A
Authority
JP
Japan
Prior art keywords
lens
aspherical surface
aspherical
aperture
wide
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
JP21951585A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0581008B2 (enrdf_load_stackoverflow
Inventor
Takashi Matsushita
松下　敬
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
Priority to JP21951585A priority Critical patent/JPS6278520A/ja
Publication of JPS6278520A publication Critical patent/JPS6278520A/ja
Publication of JPH0581008B2 publication Critical patent/JPH0581008B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Lenses (AREA)
JP21951585A 1985-10-02 1985-10-02 非球面を有した広角レンズ Granted JPS6278520A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21951585A JPS6278520A (ja) 1985-10-02 1985-10-02 非球面を有した広角レンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21951585A JPS6278520A (ja) 1985-10-02 1985-10-02 非球面を有した広角レンズ

Publications (2)

Publication Number Publication Date
JPS6278520A true JPS6278520A (ja) 1987-04-10
JPH0581008B2 JPH0581008B2 (enrdf_load_stackoverflow) 1993-11-11

Family

ID=16736672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21951585A Granted JPS6278520A (ja) 1985-10-02 1985-10-02 非球面を有した広角レンズ

Country Status (1)

Country Link
JP (1) JPS6278520A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6461714A (en) * 1987-09-01 1989-03-08 Olympus Optical Co Wide-angle lens with long back focus
US5233474A (en) * 1991-02-15 1993-08-03 Asahi Kogaku Kogyo K.K. Wide-angle lens system
US5477388A (en) * 1991-08-20 1995-12-19 Nikon Corporation Inverse telescopic wide angle lens
US5508848A (en) * 1989-11-22 1996-04-16 Yamanashi Factory Of Nissin Kohki, Mfg. Co., Ltd. Wide-angle lens for film-combined type cameras
JPH1020188A (ja) * 1996-07-03 1998-01-23 Asahi Optical Co Ltd 撮影レンズ
JP2001159732A (ja) * 1999-12-02 2001-06-12 Nikon Corp 超広角レンズ及び該レンズを備える撮影装置
US6940662B2 (en) 2001-08-24 2005-09-06 Canon Kabushiki Kaisha Lens system and camera having the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4852229A (enrdf_load_stackoverflow) * 1971-10-30 1973-07-23
JPS5113573A (ja) * 1974-07-24 1976-02-03 Hitachi Ltd Taketsushohandotaimakuno seizohoho

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4852229A (enrdf_load_stackoverflow) * 1971-10-30 1973-07-23
JPS5113573A (ja) * 1974-07-24 1976-02-03 Hitachi Ltd Taketsushohandotaimakuno seizohoho

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6461714A (en) * 1987-09-01 1989-03-08 Olympus Optical Co Wide-angle lens with long back focus
US5508848A (en) * 1989-11-22 1996-04-16 Yamanashi Factory Of Nissin Kohki, Mfg. Co., Ltd. Wide-angle lens for film-combined type cameras
US5233474A (en) * 1991-02-15 1993-08-03 Asahi Kogaku Kogyo K.K. Wide-angle lens system
US5477388A (en) * 1991-08-20 1995-12-19 Nikon Corporation Inverse telescopic wide angle lens
JPH1020188A (ja) * 1996-07-03 1998-01-23 Asahi Optical Co Ltd 撮影レンズ
JP2001159732A (ja) * 1999-12-02 2001-06-12 Nikon Corp 超広角レンズ及び該レンズを備える撮影装置
US6940662B2 (en) 2001-08-24 2005-09-06 Canon Kabushiki Kaisha Lens system and camera having the same

Also Published As

Publication number Publication date
JPH0581008B2 (enrdf_load_stackoverflow) 1993-11-11

Similar Documents

Publication Publication Date Title
US6441967B2 (en) Zoom lens system
JPH0743606A (ja) 広角レンズ
JP2991524B2 (ja) 広角レンズ
JPS61213817A (ja) ズ−ムフアインダ
JPH06324264A (ja) 広角レンズ
JPS6048013B2 (ja) フアインダ−光学系
JP4217040B2 (ja) 大口径広角レンズ
US4458991A (en) Photographic objective of reduced size
US4373786A (en) Photographic objective of reduced size
JPS61144616A (ja) 明るい広角レンズ
US4676607A (en) Behind stop lens
JPS6278520A (ja) 非球面を有した広角レンズ
US4606615A (en) Behind stop lens
JPH07168095A (ja) トリプレットレンズ
GB1602553A (en) Copying lens
JPH0450910A (ja) 広角レンズ
JP3077811B2 (ja) 写真レンズ
JPH07104180A (ja) 広角レンズ
JPH0820593B2 (ja) バツクフオ−カスの長い広角レンズ
JP3038974B2 (ja) 小型広角レンズ
JP3500473B2 (ja) 広角レンズ
JP3055790B2 (ja) 写真レンズ
US4214815A (en) Semi-wide angle objective lens
JPH03172813A (ja) 小型のズームレンズ
JPH04214517A (ja) ケプラー式ズームファインダー光学系

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term