GB1134839A - Improvements in or relating to varifocal objective systems - Google Patents

Improvements in or relating to varifocal objective systems

Info

Publication number
GB1134839A
GB1134839A GB54715/65A GB5471565A GB1134839A GB 1134839 A GB1134839 A GB 1134839A GB 54715/65 A GB54715/65 A GB 54715/65A GB 5471565 A GB5471565 A GB 5471565A GB 1134839 A GB1134839 A GB 1134839A
Authority
GB
United Kingdom
Prior art keywords
iii
schneider
component
singlet
dec
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
GB54715/65A
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.)
HANS JOSEPH SCHNEIDER
MARGARETE CAMILLA SCHNEIDER
Original Assignee
HANS JOSEPH SCHNEIDER
MARGARETE CAMILLA SCHNEIDER
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 HANS JOSEPH SCHNEIDER, MARGARETE CAMILLA SCHNEIDER filed Critical HANS JOSEPH SCHNEIDER
Publication of GB1134839A publication Critical patent/GB1134839A/en
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
    • G02B15/144113—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)
  • Lenses (AREA)
GB54715/65A 1964-12-28 1965-12-23 Improvements in or relating to varifocal objective systems Expired GB1134839A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESC036311 1964-12-28

Publications (1)

Publication Number Publication Date
GB1134839A true GB1134839A (en) 1968-11-27

Family

ID=7433818

Family Applications (1)

Application Number Title Priority Date Filing Date
GB54715/65A Expired GB1134839A (en) 1964-12-28 1965-12-23 Improvements in or relating to varifocal objective systems

Country Status (6)

Country Link
US (1) US3451743A (enExample)
AT (1) AT259896B (enExample)
CH (1) CH435787A (enExample)
DE (1) DE1248972B (enExample)
FR (1) FR1473070A (enExample)
GB (1) GB1134839A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2043193C3 (de) * 1970-09-01 1980-10-30 Kurt 2000 Hamburg Kirchhoff Anamorphotisches Aufnahmeobjektiv mit veränderbarer Brennweite

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925010A (en) * 1959-01-15 1960-02-16 Wollensak Optical Co Variable focal length lens
US2997921A (en) * 1959-10-07 1961-08-29 Revere Camera Co Lens for zoom viewfinders
US2984155A (en) * 1959-12-28 1961-05-16 Bausch & Lomb Variable magnification afocal optical system
US3307898A (en) * 1963-09-30 1967-03-07 Bausch & Lomb Optically compensated loom type optical objective

Also Published As

Publication number Publication date
FR1473070A (fr) 1967-03-17
US3451743A (en) 1969-06-24
CH435787A (de) 1967-05-15
DE1248972B (enExample)
AT259896B (de) 1968-02-12

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