FR26312E - Telephoto lens with spherical, chromatic and astigmatic corrections - Google Patents

Telephoto lens with spherical, chromatic and astigmatic corrections

Info

Publication number
FR26312E
FR26312E FR26312DA FR26312E FR 26312 E FR26312 E FR 26312E FR 26312D A FR26312D A FR 26312DA FR 26312 E FR26312 E FR 26312E
Authority
FR
France
Prior art keywords
chromatic
spherical
telephoto lens
astigmatic corrections
astigmatic
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
Other languages
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.)
ZEISS CARL SOC
Original Assignee
ZEISS CARL SOC
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 ZEISS CARL SOC filed Critical ZEISS CARL SOC
Application granted granted Critical
Publication of FR26312E publication Critical patent/FR26312E/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR26312D 1922-05-02 1922-05-02 Telephoto lens with spherical, chromatic and astigmatic corrections Expired FR26312E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR26312T 1922-05-02

Publications (1)

Publication Number Publication Date
FR26312E true FR26312E (en) 1923-11-06

Family

ID=8664752

Family Applications (1)

Application Number Title Priority Date Filing Date
FR26312D Expired FR26312E (en) 1922-05-02 1922-05-02 Telephoto lens with spherical, chromatic and astigmatic corrections

Country Status (1)

Country Link
FR (1) FR26312E (en)

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