FR511735A - Simple, meniscus-shaped diverging lens, adjustable in front of a photographic lens - Google Patents

Simple, meniscus-shaped diverging lens, adjustable in front of a photographic lens

Info

Publication number
FR511735A
FR511735A FR511735DA FR511735A FR 511735 A FR511735 A FR 511735A FR 511735D A FR511735D A FR 511735DA FR 511735 A FR511735 A FR 511735A
Authority
FR
France
Prior art keywords
lens
meniscus
adjustable
shaped diverging
photographic lens
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 FR511735A publication Critical patent/FR511735A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D13/00—Centrifugal casting; Casting by using centrifugal force
    • B22D13/10—Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
    • B22D13/101—Moulds

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
FR511735D 1914-07-28 1915-07-21 Simple, meniscus-shaped diverging lens, adjustable in front of a photographic lens Expired FR511735A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE511735X 1937-11-13

Publications (1)

Publication Number Publication Date
FR511735A true FR511735A (en) 1921-01-03

Family

ID=6547876

Family Applications (1)

Application Number Title Priority Date Filing Date
FR511735D Expired FR511735A (en) 1914-07-28 1915-07-21 Simple, meniscus-shaped diverging lens, adjustable in front of a photographic lens

Country Status (2)

Country Link
FR (1) FR511735A (en)
GB (1) GB511735A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8800411L (en) * 1988-02-09 1989-08-10 Ovako Steel Ab STEEL INTENDED FOR HIGHLY CONDUCTING CONSTRUCTION ELEMENTS WITH GREAT REQUIREMENTS FOR FORMABILITY AND EXPENSE TEMPERATURE AND USE THEREOF
DE102011109016A1 (en) * 2011-07-30 2013-01-31 GEDIA Gebrüder Dingerkus GmbH Housing made of sheet steel

Also Published As

Publication number Publication date
GB511735A (en) 1939-08-23

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