JPS5220328B2 - - Google Patents

Info

Publication number
JPS5220328B2
JPS5220328B2 JP49023486A JP2348674A JPS5220328B2 JP S5220328 B2 JPS5220328 B2 JP S5220328B2 JP 49023486 A JP49023486 A JP 49023486A JP 2348674 A JP2348674 A JP 2348674A JP S5220328 B2 JPS5220328 B2 JP S5220328B2
Authority
JP
Japan
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
JP49023486A
Other versions
JPS50117417A (ja
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 filed Critical
Priority to JP49023486A priority Critical patent/JPS5220328B2/ja
Priority to US05/541,204 priority patent/US4002402A/en
Publication of JPS50117417A publication Critical patent/JPS50117417A/ja
Publication of JPS5220328B2 publication Critical patent/JPS5220328B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes
    • G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
    • G03B11/045—Lens hoods or shields

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Blocking Light For Cameras (AREA)
JP49023486A 1974-02-27 1974-02-27 Expired JPS5220328B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP49023486A JPS5220328B2 (ja) 1974-02-27 1974-02-27
US05/541,204 US4002402A (en) 1974-02-27 1975-01-15 Lens hood for zoom lenses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49023486A JPS5220328B2 (ja) 1974-02-27 1974-02-27

Publications (2)

Publication Number Publication Date
JPS50117417A JPS50117417A (ja) 1975-09-13
JPS5220328B2 true JPS5220328B2 (ja) 1977-06-02

Family

ID=12111843

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49023486A Expired JPS5220328B2 (ja) 1974-02-27 1974-02-27

Country Status (2)

Country Link
US (1) US4002402A (ja)
JP (1) JPS5220328B2 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2373804A1 (fr) * 1976-12-09 1978-07-07 Fuji Photo Optical Co Ltd Objectif zoom pour appareils de prise de vues
US4171880A (en) * 1976-12-09 1979-10-23 Fuji Photo Optical Co., Ltd. Zoom lens system for cameras
JPS6020089Y2 (ja) * 1978-11-17 1985-06-17 ミノルタ株式会社 ズ−ムレンズ鏡胴
DE3106636A1 (de) * 1980-08-04 1982-03-18 Roger C. 8000 München Field Kamera, insbesondere film- oder videokamera
US4441794A (en) * 1980-08-04 1984-04-10 Field Roger C Adjustable sun screen for camera lens
JPH0524905Y2 (ja) * 1987-08-21 1993-06-24
JPH0755525Y2 (ja) * 1989-02-10 1995-12-20 旭光学工業株式会社 レンズシャッタ式カメラのレンズ鏡筒の遮光装置
US5294954A (en) * 1990-11-27 1994-03-15 Asahi Kogaku Kogyo Kabushiki Kaisha Rotatably controllable lens hood and cover unit
US5940226A (en) * 1996-09-11 1999-08-17 Asahi Kogaku Kogyo Kabushiki Kaisha Light intercepting mechanism of a zoom lens barrel
SE9801945D0 (sv) * 1998-06-02 1998-06-02 Hasselblad Ab Victor Device and method for minimizing vignetting and stray light in a photographic

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4633495B1 (ja) * 1967-07-14 1971-10-01
US3765748A (en) * 1972-09-01 1973-10-16 H Mito Mechanism for relative adjustment of axially spaced lens components

Also Published As

Publication number Publication date
JPS50117417A (ja) 1975-09-13
US4002402A (en) 1977-01-11

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