JPS648805B2 - - Google Patents

Info

Publication number
JPS648805B2
JPS648805B2 JP56184439A JP18443981A JPS648805B2 JP S648805 B2 JPS648805 B2 JP S648805B2 JP 56184439 A JP56184439 A JP 56184439A JP 18443981 A JP18443981 A JP 18443981A JP S648805 B2 JPS648805 B2 JP S648805B2
Authority
JP
Japan
Prior art keywords
lens
group
cemented
object side
distance
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
JP56184439A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5886511A (ja
Inventor
Shinichi Mihara
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP56184439A priority Critical patent/JPS5886511A/ja
Priority to DE3241760A priority patent/DE3241760C2/de
Priority to US06/440,859 priority patent/US4478497A/en
Publication of JPS5886511A publication Critical patent/JPS5886511A/ja
Publication of JPS648805B2 publication Critical patent/JPS648805B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
    • G02B15/10—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
    • G02B15/12—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment by adding telescopic attachments

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP56184439A 1981-11-19 1981-11-19 アタツチメントレンズ Granted JPS5886511A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP56184439A JPS5886511A (ja) 1981-11-19 1981-11-19 アタツチメントレンズ
DE3241760A DE3241760C2 (de) 1981-11-19 1982-11-11 Ansatzobjektiv
US06/440,859 US4478497A (en) 1981-11-19 1982-11-12 Attachment lens system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56184439A JPS5886511A (ja) 1981-11-19 1981-11-19 アタツチメントレンズ

Publications (2)

Publication Number Publication Date
JPS5886511A JPS5886511A (ja) 1983-05-24
JPS648805B2 true JPS648805B2 (en, 2012) 1989-02-15

Family

ID=16153167

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56184439A Granted JPS5886511A (ja) 1981-11-19 1981-11-19 アタツチメントレンズ

Country Status (3)

Country Link
US (1) US4478497A (en, 2012)
JP (1) JPS5886511A (en, 2012)
DE (1) DE3241760C2 (en, 2012)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6088916A (ja) * 1983-10-21 1985-05-18 Olympus Optical Co Ltd 補助レンズを備えたレンズ系
US4978278A (en) * 1989-07-12 1990-12-18 Union Carbide Corporation Turbomachine with seal fluid recovery channel
JP4618463B2 (ja) * 1999-12-15 2011-01-26 株式会社ニコン フロントテレコンバーター
JP4776005B2 (ja) * 2005-06-15 2011-09-21 オリンパスイメージング株式会社 リアコンバージョンレンズ
CN115061267A (zh) * 2022-08-19 2022-09-16 苏州若言光学有限公司 一种用于连接不同画幅的光学系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5112421A (ja) 1974-07-19 1976-01-31 Hitachi Shipbuilding Eng Co Chitsusosankabutsuyokuseinenshohoho
JPS5425820A (en) * 1977-07-29 1979-02-27 Nippon Chemical Ind Rear conversion lens
JPS5542726A (en) 1978-09-18 1980-03-26 Etsuo Watanabe Robot mechanism for cassette
JPS5639513A (en) 1979-09-10 1981-04-15 Canon Inc Rear attachment lens

Also Published As

Publication number Publication date
DE3241760A1 (de) 1983-05-26
US4478497A (en) 1984-10-23
DE3241760C2 (de) 1986-07-03
JPS5886511A (ja) 1983-05-24

Similar Documents

Publication Publication Date Title
JP3261716B2 (ja) 逆望遠型大口径広角レンズ
JPS6119005B2 (en, 2012)
US5636067A (en) Taking lens system
JP2526979B2 (ja) リアコンバ―ジョンレンズ
JPH05157965A (ja) 広角レンズ
JPH0784180A (ja) 水中用魚眼レンズ
JPS6048013B2 (ja) フアインダ−光学系
JPS6155087B2 (en, 2012)
JPH0642017B2 (ja) コンパクトなズ−ムレンズ
JP3735909B2 (ja) レトロフォーカス型レンズ
US5519540A (en) Taking lens for underwater camera
JP2859418B2 (ja) 複写用レンズ
JP2594450B2 (ja) マクロレンズ
JP2000028919A (ja) 中望遠レンズ
JP3234618B2 (ja) 大口径中望遠レンズ
US3870402A (en) Wide, angle, high aperture ratio, long back focus lens system
US4176915A (en) Wide angle lens
JPH05127082A (ja) 小型のズームレンズ
JPS6148686B2 (en, 2012)
US4948236A (en) Soft-focus lens system
JPS648805B2 (en, 2012)
JPH07333494A (ja) 写真撮影用レンズ
JPH0718972B2 (ja) 大口径比写真レンズ
JPH05134175A (ja) コンパクトな広角レンズ
JPH07281093A (ja) 簡易型広角ズームレンズ