FR2626681B1 - Varifocal objective enabling developing very rapprochee - Google Patents

Varifocal objective enabling developing very rapprochee

Info

Publication number
FR2626681B1
FR2626681B1 FR8801167A FR8801167A FR2626681B1 FR 2626681 B1 FR2626681 B1 FR 2626681B1 FR 8801167 A FR8801167 A FR 8801167A FR 8801167 A FR8801167 A FR 8801167A FR 2626681 B1 FR2626681 B1 FR 2626681B1
Authority
FR
France
Prior art keywords
rapprochee
varifocal objective
developing
enabling
enabling developing
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 - Lifetime
Application number
FR8801167A
Other languages
French (fr)
Other versions
FR2626681A1 (en
Inventor
Gerard Corbasson
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.)
ANGENIEUX ETS PIERRE
ANGENIEUX P ETS
Original Assignee
ANGENIEUX ETS PIERRE
ANGENIEUX P ETS
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 ANGENIEUX ETS PIERRE, ANGENIEUX P ETS filed Critical ANGENIEUX ETS PIERRE
Priority to FR8801167A priority Critical patent/FR2626681B1/en
Publication of FR2626681A1 publication Critical patent/FR2626681A1/en
Application granted granted Critical
Publication of FR2626681B1 publication Critical patent/FR2626681B1/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B15/00Optical objectives with means for varying the magnification
    • G02B15/14Optical 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
    • G02B15/22Optical 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 with movable lens means specially adapted for focusing at close distances
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10Mountings, 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
FR8801167A 1988-02-02 1988-02-02 Varifocal objective enabling developing very rapprochee Expired - Lifetime FR2626681B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8801167A FR2626681B1 (en) 1988-02-02 1988-02-02 Varifocal objective enabling developing very rapprochee

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8801167A FR2626681B1 (en) 1988-02-02 1988-02-02 Varifocal objective enabling developing very rapprochee

Publications (2)

Publication Number Publication Date
FR2626681A1 FR2626681A1 (en) 1989-08-04
FR2626681B1 true FR2626681B1 (en) 1992-11-20

Family

ID=9362848

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8801167A Expired - Lifetime FR2626681B1 (en) 1988-02-02 1988-02-02 Varifocal objective enabling developing very rapprochee

Country Status (1)

Country Link
FR (1) FR2626681B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4161756A (en) * 1976-03-19 1979-07-17 Jos. Schneider & Co. Optische Werke Control system for varifocal objective
JPS6110047B2 (en) * 1978-03-23 1986-03-27 Canon Kk
DE2950951A1 (en) * 1978-12-25 1980-07-10 Canon Kk A photographic lens while with stabilization against a bildwinkelaenderung focusing
JPS6151772B2 (en) * 1981-06-19 1986-11-10 Nippon Kogaku Kk

Also Published As

Publication number Publication date
FR2626681A1 (en) 1989-08-04

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse
RN Application for restoration
D3 Decision to revoke the decision of lapse