FR1405071A - Objectif à distance focale variable - Google Patents

Objectif à distance focale variable

Info

Publication number
FR1405071A
FR1405071A FR986149A FR986149A FR1405071A FR 1405071 A FR1405071 A FR 1405071A FR 986149 A FR986149 A FR 986149A FR 986149 A FR986149 A FR 986149A FR 1405071 A FR1405071 A FR 1405071A
Authority
FR
France
Prior art keywords
focal length
length lens
variable focal
variable
lens
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
FR986149A
Other languages
English (en)
Inventor
Ludwig Bertele
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
Application granted granted Critical
Publication of FR1405071A publication Critical patent/FR1405071A/fr
Expired 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
    • G02B15/14—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
    • G02B15/146—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 more than five groups
    • G02B15/1465—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 more than five groups the first group being negative
    • 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
    • G02B15/146—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 more than five groups
    • G02B15/1461—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 more than five groups the first group being positive
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/74—Applying photosensitive compositions to the base; Drying processes therefor
    • G03C2001/7403—Air jets

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
FR986149A 1963-08-28 1964-08-25 Objectif à distance focale variable Expired FR1405071A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1070463A CH427334A (de) 1963-08-28 1963-08-28 Objektiv veränderbarer Brennweite

Publications (1)

Publication Number Publication Date
FR1405071A true FR1405071A (fr) 1965-07-02

Family

ID=4365943

Family Applications (1)

Application Number Title Priority Date Filing Date
FR986149A Expired FR1405071A (fr) 1963-08-28 1964-08-25 Objectif à distance focale variable

Country Status (6)

Country Link
US (1) US3466113A (fr)
AT (1) AT245821B (fr)
CH (1) CH427334A (fr)
DE (1) DE1236816C2 (fr)
FR (1) FR1405071A (fr)
GB (1) GB1067428A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3597048A (en) * 1969-02-07 1971-08-03 Ludwig Bertele Varifocal objective with movable lens component of positive refractivity
AT287341B (de) * 1969-08-14 1971-01-25 Eumig Pankratisches Projektionsobjektiv
JPS523584B1 (fr) * 1971-07-19 1977-01-28
JPS5852201B2 (ja) * 1974-04-04 1983-11-21 ミノルタ株式会社 変倍レンズ
AT339067B (de) * 1975-08-11 1977-09-26 Eumig Afokaler vorsatz
JPH0658454B2 (ja) * 1985-07-03 1994-08-03 キヤノン株式会社 変倍フアインダ−
JPH0693072B2 (ja) * 1986-02-21 1994-11-16 オリンパス光学工業株式会社 ズ−ムフアインダ−
US5875059A (en) * 1997-02-19 1999-02-23 Eastman Kodak Company Variable focal length lens system having a divergent front lens unit
US7218444B2 (en) * 2004-05-03 2007-05-15 Raytheon Company Dual-band, dual-focal-length, relayed refractive imager
TWI582458B (zh) 2016-04-22 2017-05-11 大立光電股份有限公司 成像光學系統鏡組、取像裝置及電子裝置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL284345A (fr) * 1961-10-16
DE1258135B (de) * 1962-04-06 1968-01-04 Schneider Co Optische Werke Lichtstarkes Objektiv mit veraenderbarer Brennweite und mechanischem Ausgleich der Bildverschiebung
US3294470A (en) * 1963-07-01 1966-12-27 Bausch & Lomb Pancratic condenser for projectors

Also Published As

Publication number Publication date
CH427334A (de) 1966-12-31
DE1236816B (fr) 1967-03-16
GB1067428A (en) 1967-05-03
DE1236816C2 (de) 1978-06-29
US3466113A (en) 1969-09-09
AT245821B (de) 1966-03-25

Similar Documents

Publication Publication Date Title
CH381878A (fr) Objectif à focale variable
AT241152B (de) Objektiv veränderlicher Brennweite
FR1405071A (fr) Objectif à distance focale variable
AT248140B (de) Optisches System stetig veränderbarer Brennweite
FR82637E (fr) Objectif de longueur focale variable
FR1366943A (fr) Objectif de longueur focale variable
AT250049B (de) Lichtstarkes Vario-Objektiv
FR1520489A (fr) Objectif à distance focale variable
FR1344261A (fr) Objectif de longueur focale variable
CH400604A (de) Lichtstarkes Objektiv mit veränderlicher Brennweite
CH384888A (fr) Objectif à focale varible
CH482207A (fr) Objectif à distance focale variable
FR1434747A (fr) Objectif photographique à distance focale variable
CH405746A (de) Weitwinkelobjektiv
FR1343928A (fr) Objectif à distance focale variable
CH417996A (de) Anamorphotisches Objektiv
FR1259007A (fr) Objectif à distance focale variable de construction simple
FR85460E (fr) Objectif de projection à distance focale progressivement variable
FR1526526A (fr) Objectif de projection à distance focale progressivement variable
FR1366336A (fr) Objectif photographique à distance focale variable
CH447645A (fr) Objectif à longueur focale variable
FR1371676A (fr) Objectif à focale variable
CH380407A (fr) Objectif à focale variable
FR1416003A (fr) Caméra cinématographique à objectif à focale variable
FR1324821A (fr) Objectif de projection à distance focale variable