GB1502546A - Optical objectives - Google Patents

Optical objectives

Info

Publication number
GB1502546A
GB1502546A GB407776A GB407776A GB1502546A GB 1502546 A GB1502546 A GB 1502546A GB 407776 A GB407776 A GB 407776A GB 407776 A GB407776 A GB 407776A GB 1502546 A GB1502546 A GB 1502546A
Authority
GB
United Kingdom
Prior art keywords
triple
groups
air space
lens
petzval
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
GB407776A
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.)
Rank Organization Ltd
Original Assignee
Rank Organization Ltd
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 Rank Organization Ltd filed Critical Rank Organization Ltd
Priority to GB407776A priority Critical patent/GB1502546A/en
Priority to FR7702741A priority patent/FR2339872A1/fr
Priority to DE19772704299 priority patent/DE2704299A1/de
Priority to NL7701122A priority patent/NL7701122A/xx
Publication of GB1502546A publication Critical patent/GB1502546A/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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
GB407776A 1976-02-02 1976-02-02 Optical objectives Expired GB1502546A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB407776A GB1502546A (en) 1976-02-02 1976-02-02 Optical objectives
FR7702741A FR2339872A1 (fr) 1976-02-02 1977-02-01 Objectifs optiques
DE19772704299 DE2704299A1 (de) 1976-02-02 1977-02-02 Petzval-objektiv
NL7701122A NL7701122A (nl) 1976-02-02 1977-02-02 Optisch objectief.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB407776A GB1502546A (en) 1976-02-02 1976-02-02 Optical objectives

Publications (1)

Publication Number Publication Date
GB1502546A true GB1502546A (en) 1978-03-01

Family

ID=9770305

Family Applications (1)

Application Number Title Priority Date Filing Date
GB407776A Expired GB1502546A (en) 1976-02-02 1976-02-02 Optical objectives

Country Status (4)

Country Link
DE (1) DE2704299A1 (cg-RX-API-DMAC7.html)
FR (1) FR2339872A1 (cg-RX-API-DMAC7.html)
GB (1) GB1502546A (cg-RX-API-DMAC7.html)
NL (1) NL7701122A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6744557B1 (en) 1999-07-19 2004-06-01 Qinetiq Limited Compound lens arrangement for use in lens arrays

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6744557B1 (en) 1999-07-19 2004-06-01 Qinetiq Limited Compound lens arrangement for use in lens arrays

Also Published As

Publication number Publication date
DE2704299A1 (de) 1977-08-04
FR2339872A1 (fr) 1977-08-26
NL7701122A (nl) 1977-08-04
FR2339872B3 (cg-RX-API-DMAC7.html) 1979-10-05

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee