SU440006A3 - Объектив с переменным фокусным расстоянием - Google Patents

Объектив с переменным фокусным расстоянием

Info

Publication number
SU440006A3
SU440006A3 SU1334646A SU1334646A SU440006A3 SU 440006 A3 SU440006 A3 SU 440006A3 SU 1334646 A SU1334646 A SU 1334646A SU 1334646 A SU1334646 A SU 1334646A SU 440006 A3 SU440006 A3 SU 440006A3
Authority
SU
USSR - Soviet Union
Prior art keywords
lens
focal length
variable focal
variable
length
Prior art date
Application number
SU1334646A
Other languages
English (en)
Russian (ru)
Other versions
SU440006A1 (ru
Inventor
Гордон Генри Кук
Франсуа Рене Лоран
Original Assignee
Дзе Ренк Организеишн Лимитед (Фирма)
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 Дзе Ренк Организеишн Лимитед (Фирма) filed Critical Дзе Ренк Организеишн Лимитед (Фирма)
Application granted granted Critical
Publication of SU440006A1 publication Critical patent/SU440006A1/ru
Publication of SU440006A3 publication Critical patent/SU440006A3/ru

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/142—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having two groups only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Telescopes (AREA)
  • Lens Barrels (AREA)
SU1334646A 1968-06-06 1969-06-06 Объектив с переменным фокусным расстоянием SU440006A3 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB26981/68A GB1214341A (en) 1968-06-06 1968-06-06 Improvements in or relating to objectives of variable focal length

Publications (2)

Publication Number Publication Date
SU440006A1 SU440006A1 (ru) 1974-08-15
SU440006A3 true SU440006A3 (ru) 1974-08-15

Family

ID=10252248

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1334646A SU440006A3 (ru) 1968-06-06 1969-06-06 Объектив с переменным фокусным расстоянием

Country Status (5)

Country Link
US (1) US3682534A (enExample)
DE (1) DE1928692A1 (enExample)
FR (1) FR2010288A1 (enExample)
GB (1) GB1214341A (enExample)
SU (1) SU440006A3 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2106359B1 (enExample) * 1970-09-08 1975-04-18 Eastman Kodak Co
JPS594688B2 (ja) * 1976-03-11 1984-01-31 キヤノン株式会社 ズ−ムレンズ
JPS5567717A (en) * 1978-11-17 1980-05-22 Canon Inc Focusing method which prevents change in angle of view
DE2950951A1 (de) * 1978-12-25 1980-07-10 Canon Kk Photographisches objektiv mit stabilisierung gegen eine bildwinkelaenderung waehrend des fokussierens
JPS5915214A (ja) * 1982-07-17 1984-01-26 Canon Inc ズ−ムレンズのフオ−カシング方法
US4756609A (en) * 1987-07-13 1988-07-12 Eastman Kodak Company Four component compact zoom lens
GB2253281B (en) * 1991-02-15 1994-05-25 Asahi Optical Co Ltd Zoom lens
US5416639A (en) * 1991-06-29 1995-05-16 Olympus Optical Co., Ltd. Zoom lens system
JP4156777B2 (ja) 2000-05-23 2008-09-24 オリンパス株式会社 ズームレンズ
CN203930190U (zh) 2011-10-20 2014-11-05 富士胶片株式会社 投影用变焦镜头和投影型显示设备
DE102012214303B9 (de) 2012-08-10 2022-07-07 Carl Zeiss Ag Optisches System zur Abbildung eines Objekts sowie Aufnahmeeinheit mit einem optischen System
US9341827B2 (en) 2013-04-04 2016-05-17 Cooke Optics Limited Anamorphic objective lens

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3481664A (en) * 1965-09-01 1969-12-02 Canon Kk Large aperture and wide angle zoom lens system

Also Published As

Publication number Publication date
FR2010288A1 (enExample) 1970-02-13
GB1214341A (en) 1970-12-02
DE1928692A1 (de) 1970-01-02
US3682534A (en) 1972-08-08

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