FR2375613A1 - Procede de fabrication d'un tube de reglage d'objectif et tube de reglage fabrique par ce procede - Google Patents

Procede de fabrication d'un tube de reglage d'objectif et tube de reglage fabrique par ce procede

Info

Publication number
FR2375613A1
FR2375613A1 FR7738448A FR7738448A FR2375613A1 FR 2375613 A1 FR2375613 A1 FR 2375613A1 FR 7738448 A FR7738448 A FR 7738448A FR 7738448 A FR7738448 A FR 7738448A FR 2375613 A1 FR2375613 A1 FR 2375613A1
Authority
FR
France
Prior art keywords
adjustment tube
manufacturing
tube
adjustment
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.)
Withdrawn
Application number
FR7738448A
Other languages
English (en)
French (fr)
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 FR2375613A1 publication Critical patent/FR2375613A1/fr
Withdrawn legal-status Critical Current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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
FR7738448A 1976-12-22 1977-12-20 Procede de fabrication d'un tube de reglage d'objectif et tube de reglage fabrique par ce procede Withdrawn FR2375613A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT951876A AT355799B (de) 1976-12-22 1976-12-22 Verfahren zur herstellung eines steuertubus aus kunststoff

Publications (1)

Publication Number Publication Date
FR2375613A1 true FR2375613A1 (fr) 1978-07-21

Family

ID=3614866

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7738448A Withdrawn FR2375613A1 (fr) 1976-12-22 1977-12-20 Procede de fabrication d'un tube de reglage d'objectif et tube de reglage fabrique par ce procede

Country Status (5)

Country Link
JP (1) JPS5380226A (de)
AT (1) AT355799B (de)
DE (1) DE2756481A1 (de)
FR (1) FR2375613A1 (de)
GB (1) GB1573640A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS561138A (en) * 1979-06-19 1981-01-08 Olympus Optical Co Regulator for focus of endoscope
JPS59121627U (ja) * 1983-02-04 1984-08-16 株式会社測機舎 望遠鏡の合焦機構
JPH02285310A (ja) * 1989-04-26 1990-11-22 Asahi Optical Co Ltd レンズ鏡筒のカム環の製造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1604528A1 (de) * 1966-06-16 1970-11-12 Bayer Ag Formkern zur Herstellung von Hohlkoerpern aller Art
DE2251435A1 (de) * 1971-10-22 1973-05-10 Fritz Dipl Ing Chem Dr Liechti Verfahren zur herstellung von formteilen aus kunststoffen mit komplizierten aussparungen und hohlraeumen
FR2158455A1 (de) * 1971-11-02 1973-06-15 Bell & Howell Co
FR2167737A1 (en) * 1972-01-07 1973-08-24 Messerschmitt Rudolf Kg Pipe bend moulding core - with wedged splitting planes
FR2206518A1 (de) * 1972-11-10 1974-06-07 Isco Optische Werke Gmbh

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52506B2 (de) * 1972-12-04 1977-01-08

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1604528A1 (de) * 1966-06-16 1970-11-12 Bayer Ag Formkern zur Herstellung von Hohlkoerpern aller Art
DE2251435A1 (de) * 1971-10-22 1973-05-10 Fritz Dipl Ing Chem Dr Liechti Verfahren zur herstellung von formteilen aus kunststoffen mit komplizierten aussparungen und hohlraeumen
FR2158455A1 (de) * 1971-11-02 1973-06-15 Bell & Howell Co
FR2167737A1 (en) * 1972-01-07 1973-08-24 Messerschmitt Rudolf Kg Pipe bend moulding core - with wedged splitting planes
FR2206518A1 (de) * 1972-11-10 1974-06-07 Isco Optische Werke Gmbh

Also Published As

Publication number Publication date
GB1573640A (en) 1980-08-28
DE2756481A1 (de) 1978-06-29
JPS5380226A (en) 1978-07-15
ATA951876A (de) 1979-08-15
AT355799B (de) 1980-03-25

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Legal Events

Date Code Title Description
ST Notification of lapse