FR380615A - Spherically, chromatically and astigmatically corrected lens - Google Patents

Spherically, chromatically and astigmatically corrected lens

Info

Publication number
FR380615A
FR380615A FR380615DA FR380615A FR 380615 A FR380615 A FR 380615A FR 380615D A FR380615D A FR 380615DA FR 380615 A FR380615 A FR 380615A
Authority
FR
France
Prior art keywords
chromatically
spherically
corrected lens
astigmatically
astigmatically corrected
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)
Inventor
Rudolf Steinheil
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR380615A publication Critical patent/FR380615A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR380615D 1906-08-15 1907-08-07 Spherically, chromatically and astigmatically corrected lens Expired FR380615A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE380615X 1906-08-15

Publications (1)

Publication Number Publication Date
FR380615A true FR380615A (en) 1907-12-13

Family

ID=1426821

Family Applications (1)

Application Number Title Priority Date Filing Date
FR380615D Expired FR380615A (en) 1906-08-15 1907-08-07 Spherically, chromatically and astigmatically corrected lens

Country Status (1)

Country Link
FR (1) FR380615A (en)

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