FR1477811A - Objectif photographique à distance focale variable de façon continue - Google Patents

Objectif photographique à distance focale variable de façon continue

Info

Publication number
FR1477811A
FR1477811A FR56085A FR56085A FR1477811A FR 1477811 A FR1477811 A FR 1477811A FR 56085 A FR56085 A FR 56085A FR 56085 A FR56085 A FR 56085A FR 1477811 A FR1477811 A FR 1477811A
Authority
FR
France
Prior art keywords
focal length
continuously variable
photographic lens
variable focal
length photographic
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
FR56085A
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.)
Carl Zeiss SMT GmbH
Original Assignee
Carl Zeiss SMT GmbH
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
Priority claimed from DEZ11452A external-priority patent/DE1277581B/de
Application filed by Carl Zeiss SMT GmbH filed Critical Carl Zeiss SMT GmbH
Priority to FR56085A priority Critical patent/FR1477811A/fr
Application granted granted Critical
Publication of FR1477811A publication Critical patent/FR1477811A/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
    • G02B15/144—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
    • G02B15/1441—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 the first group being positive
    • G02B15/144109—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 the first group being positive arranged +--+

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR56085A 1965-04-03 1966-04-01 Objectif photographique à distance focale variable de façon continue Expired FR1477811A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR56085A FR1477811A (fr) 1965-04-03 1966-04-01 Objectif photographique à distance focale variable de façon continue

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEZ11452A DE1277581B (de) 1965-04-03 1965-04-03 Photographisches Objektiv kontinuierlich veraenderbarer Brennweite
FR56085A FR1477811A (fr) 1965-04-03 1966-04-01 Objectif photographique à distance focale variable de façon continue

Publications (1)

Publication Number Publication Date
FR1477811A true FR1477811A (fr) 1967-04-21

Family

ID=26003590

Family Applications (1)

Application Number Title Priority Date Filing Date
FR56085A Expired FR1477811A (fr) 1965-04-03 1966-04-01 Objectif photographique à distance focale variable de façon continue

Country Status (1)

Country Link
FR (1) FR1477811A (fr)

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