FR706347A - Objectif de projection - Google Patents

Objectif de projection

Info

Publication number
FR706347A
FR706347A FR706347DA FR706347A FR 706347 A FR706347 A FR 706347A FR 706347D A FR706347D A FR 706347DA FR 706347 A FR706347 A FR 706347A
Authority
FR
France
Prior art keywords
projection lens
lens
projection
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
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.)
GUILLAUME ET CIE P
Original Assignee
GUILLAUME ET CIE P
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 GUILLAUME ET CIE P filed Critical GUILLAUME ET CIE P
Application granted granted Critical
Publication of FR706347A publication Critical patent/FR706347A/fr
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)
FR706347D 1930-11-25 1930-11-25 Objectif de projection Expired FR706347A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR706347T 1930-11-25

Publications (1)

Publication Number Publication Date
FR706347A true FR706347A (fr) 1931-06-23

Family

ID=9067719

Family Applications (1)

Application Number Title Priority Date Filing Date
FR706347D Expired FR706347A (fr) 1930-11-25 1930-11-25 Objectif de projection

Country Status (1)

Country Link
FR (1) FR706347A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2625856A (en) * 1949-09-03 1953-01-20 American Optical Corp Telecentric objective

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2625856A (en) * 1949-09-03 1953-01-20 American Optical Corp Telecentric objective

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