SU625640A3 - Проекционный объектив - Google Patents

Проекционный объектив

Info

Publication number
SU625640A3
SU625640A3 SU752136683A SU2136683A SU625640A3 SU 625640 A3 SU625640 A3 SU 625640A3 SU 752136683 A SU752136683 A SU 752136683A SU 2136683 A SU2136683 A SU 2136683A SU 625640 A3 SU625640 A3 SU 625640A3
Authority
SU
USSR - Soviet Union
Prior art keywords
lens
triplet
distance
focal length
projection
Prior art date
Application number
SU752136683A
Other languages
English (en)
Russian (ru)
Inventor
Фогль Георг
Меллер Бо
Астере Жан-Эрик
Original Assignee
Линдако Лтд., (Фирма)
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 Линдако Лтд., (Фирма) filed Critical Линдако Лтд., (Фирма)
Application granted granted Critical
Publication of SU625640A3 publication Critical patent/SU625640A3/ru

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
    • G02B9/14—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - +
    • G02B9/16—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - + all the components being simple
    • 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
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Medicines Containing Plant Substances (AREA)
  • External Artificial Organs (AREA)
SU752136683A 1974-05-29 1975-05-26 Проекционный объектив SU625640A3 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7407134A SE382262B (sv) 1974-05-29 1974-05-29 Projektionsoptik.

Publications (1)

Publication Number Publication Date
SU625640A3 true SU625640A3 (ru) 1978-09-25

Family

ID=20321270

Family Applications (1)

Application Number Title Priority Date Filing Date
SU752136683A SU625640A3 (ru) 1974-05-29 1975-05-26 Проекционный объектив

Country Status (21)

Country Link
JP (1) JPS513228A (fr)
AT (1) AT351828B (fr)
BE (1) BE829494A (fr)
BR (1) BR7503348A (fr)
CA (1) CA1050314A (fr)
CH (1) CH585910A5 (fr)
CS (1) CS192543B2 (fr)
DD (1) DD120942A5 (fr)
DE (1) DE2519991A1 (fr)
DK (1) DK238075A (fr)
ES (1) ES436963A1 (fr)
FI (1) FI751515A (fr)
FR (1) FR2273290B1 (fr)
GB (1) GB1474847A (fr)
HU (1) HU175781B (fr)
IT (1) IT1037780B (fr)
NL (1) NL7506296A (fr)
NO (1) NO139872C (fr)
PL (1) PL104910B1 (fr)
SE (1) SE382262B (fr)
SU (1) SU625640A3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4311366A (en) * 1978-03-01 1982-01-19 J. H. Dallmeyer Limited Image focusing system
US4380374A (en) * 1981-04-16 1983-04-19 Minnesota Mining & Manufacturing Company Variable focal length projection lens for use on overhead projectors
JP2691566B2 (ja) * 1988-06-14 1997-12-17 旭光学工業株式会社 拡大投影レンズ
JP2954217B2 (ja) * 1987-12-09 1999-09-27 株式会社日立製作所 投写用レンズ

Also Published As

Publication number Publication date
ATA398475A (de) 1979-01-15
IT1037780B (it) 1979-11-20
NO139872C (no) 1979-05-23
BE829494A (fr) 1975-09-15
SE382262B (sv) 1976-01-19
DD120942A5 (fr) 1976-07-05
AU8129275A (en) 1976-11-25
HU175781B (hu) 1980-10-28
CS192543B2 (en) 1979-08-31
NL7506296A (nl) 1975-12-02
FR2273290B1 (fr) 1980-07-11
NO139872B (no) 1979-02-12
DE2519991A1 (de) 1975-12-18
CA1050314A (fr) 1979-03-13
CH585910A5 (fr) 1977-03-15
SE7407134L (sv) 1975-12-01
JPS513228A (fr) 1976-01-12
GB1474847A (en) 1977-05-25
AT351828B (de) 1979-08-10
FR2273290A1 (fr) 1975-12-26
PL104910B1 (pl) 1979-09-29
ES436963A1 (es) 1976-12-01
BR7503348A (pt) 1976-04-27
DK238075A (da) 1975-11-30
NO751480L (fr) 1975-12-02
FI751515A (fr) 1975-11-30

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