GB1395588A - Mechanism for relative adjustment of axially-spaced lens components of an optical system - Google Patents

Mechanism for relative adjustment of axially-spaced lens components of an optical system

Info

Publication number
GB1395588A
GB1395588A GB4880272A GB4880272A GB1395588A GB 1395588 A GB1395588 A GB 1395588A GB 4880272 A GB4880272 A GB 4880272A GB 4880272 A GB4880272 A GB 4880272A GB 1395588 A GB1395588 A GB 1395588A
Authority
GB
United Kingdom
Prior art keywords
ring
cylinder
axially
zooming
pins
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
GB4880272A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1395588A publication Critical patent/GB1395588A/en
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
    • 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
    • G02B15/144—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 four groups only
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
GB4880272A 1971-11-10 1972-10-23 Mechanism for relative adjustment of axially-spaced lens components of an optical system Expired GB1395588A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46089686A JPS514852B2 (enrdf_load_stackoverflow) 1971-11-10 1971-11-10

Publications (1)

Publication Number Publication Date
GB1395588A true GB1395588A (en) 1975-05-29

Family

ID=13977638

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4880272A Expired GB1395588A (en) 1971-11-10 1972-10-23 Mechanism for relative adjustment of axially-spaced lens components of an optical system

Country Status (4)

Country Link
JP (1) JPS514852B2 (enrdf_load_stackoverflow)
DE (1) DE2254126A1 (enrdf_load_stackoverflow)
FR (1) FR2193986B1 (enrdf_load_stackoverflow)
GB (1) GB1395588A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2257265A (en) * 1991-07-02 1993-01-06 Asahi Optical Co Ltd Zoom lens barrel for waterproof and/or water-resistant camera

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002405A (en) * 1975-04-03 1977-01-11 Curt Stahl Variable speed control for zooming
JPS5611044Y2 (enrdf_load_stackoverflow) * 1975-06-26 1981-03-12
JPS5611045Y2 (enrdf_load_stackoverflow) * 1975-06-30 1981-03-12
JPS5614484Y2 (enrdf_load_stackoverflow) * 1975-09-16 1981-04-06
JPS52127160U (enrdf_load_stackoverflow) * 1976-03-24 1977-09-27
FR2373804A1 (fr) * 1976-12-09 1978-07-07 Fuji Photo Optical Co Ltd Objectif zoom pour appareils de prise de vues
JPS5426939U (enrdf_load_stackoverflow) * 1977-07-26 1979-02-22
JPS54139527A (en) * 1978-04-21 1979-10-30 Mamiya Camera Diaphragm mechanism for singleelens reflex camera
JPS57178206U (enrdf_load_stackoverflow) * 1982-03-05 1982-11-11
JPH0732219U (ja) * 1993-11-22 1995-06-16 タキゲン製造株式会社 ビス用防水ワッシャー
CN102004299B (zh) * 2010-09-10 2012-07-25 中国科学院长春光学精密机械与物理研究所 一种变焦距镜头的四滑杆变倍补偿机构

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT241152B (de) * 1962-02-28 1965-07-12 Voigtlaender Ag Objektiv veränderlicher Brennweite
DE1949534U (de) * 1965-09-03 1966-11-10 Nippon Kogaku Kk Zoom-objektivfassung.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2257265A (en) * 1991-07-02 1993-01-06 Asahi Optical Co Ltd Zoom lens barrel for waterproof and/or water-resistant camera
DE4221721A1 (de) * 1991-07-02 1993-01-07 Asahi Optical Co Ltd Varioobjektivfassung fuer eine wasserdichte und/oder wasserbestaendige kamera
US5243467A (en) * 1991-07-02 1993-09-07 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens barrel for waterproof and/or water-resistant camera
GB2257265B (en) * 1991-07-02 1995-01-18 Asahi Optical Co Ltd Zoom lens barrel for waterproof and/or water-resistant camera
USRE35679E (en) * 1991-07-02 1997-12-02 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens barrel for waterproof and/or water-resistant camera

Also Published As

Publication number Publication date
JPS4855728A (enrdf_load_stackoverflow) 1973-08-04
DE2254126A1 (de) 1973-05-17
FR2193986B1 (enrdf_load_stackoverflow) 1976-08-20
JPS514852B2 (enrdf_load_stackoverflow) 1976-02-16
FR2193986A1 (enrdf_load_stackoverflow) 1974-02-22

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee