GB1339225A - High light intensity photographic lens of extended gauss type - Google Patents

High light intensity photographic lens of extended gauss type

Info

Publication number
GB1339225A
GB1339225A GB962172A GB962172A GB1339225A GB 1339225 A GB1339225 A GB 1339225A GB 962172 A GB962172 A GB 962172A GB 962172 A GB962172 A GB 962172A GB 1339225 A GB1339225 A GB 1339225A
Authority
GB
United Kingdom
Prior art keywords
photographic lens
light intensity
high light
lens
gauss type
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
GB962172A
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 AG
Original Assignee
Carl Zeiss AG
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 Carl Zeiss AG filed Critical Carl Zeiss AG
Publication of GB1339225A publication Critical patent/GB1339225A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Eyeglasses (AREA)

Abstract

1339225 Photographic lens CARL ZEISSSTIFTUNG [trading as CARL ZEISS] 1 March 1972 [24 March 1971] 9621/72 Heading G2J An extended GAUSS type lens having four elements forming a front component and two lens elements forming the rear component, the components being spaced by an air gap with the glass surface adjacent the air gap being concave towards each other, is defined rigourously by its optical parameters. Both 6 and 7 lens groups are disclosed.
GB962172A 1971-03-24 1972-03-01 High light intensity photographic lens of extended gauss type Expired GB1339225A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712114176 DE2114176C2 (en) 1971-03-24 1971-03-24 Fast photographic lens of the extended Gauss type

Publications (1)

Publication Number Publication Date
GB1339225A true GB1339225A (en) 1973-11-28

Family

ID=5802564

Family Applications (1)

Application Number Title Priority Date Filing Date
GB962172A Expired GB1339225A (en) 1971-03-24 1972-03-01 High light intensity photographic lens of extended gauss type

Country Status (3)

Country Link
JP (1) JPS5121575B1 (en)
DE (1) DE2114176C2 (en)
GB (1) GB1339225A (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR68510E (en) * 1955-08-24 1958-05-02 Leitz Ernst Gmbh Photographic lens
AT204799B (en) * 1957-07-16 1959-08-10 Zeiss Carl Fa Multi-element exchange system for extending the focal length of photographic lenses
CH486708A (en) * 1968-06-14 1970-02-28 Voigtlaender Ag Fast lens of the extended double anastigmat type with inner diaphragm

Also Published As

Publication number Publication date
DE2114176A1 (en) 1972-10-05
DE2114176C2 (en) 1982-05-06
JPS5121575B1 (en) 1976-07-03

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees