JPS57139927U - - Google Patents

Info

Publication number
JPS57139927U
JPS57139927U JP2736281U JP2736281U JPS57139927U JP S57139927 U JPS57139927 U JP S57139927U JP 2736281 U JP2736281 U JP 2736281U JP 2736281 U JP2736281 U JP 2736281U JP S57139927 U JPS57139927 U JP S57139927U
Authority
JP
Japan
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.)
Pending
Application number
JP2736281U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP2736281U priority Critical patent/JPS57139927U/ja
Priority to GB8126624A priority patent/GB2094018B/en
Publication of JPS57139927U publication Critical patent/JPS57139927U/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Blocking Light For Cameras (AREA)
JP2736281U 1981-02-27 1981-02-27 Pending JPS57139927U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2736281U JPS57139927U (en) 1981-02-27 1981-02-27
GB8126624A GB2094018B (en) 1981-02-27 1981-09-02 Filter for cameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2736281U JPS57139927U (en) 1981-02-27 1981-02-27

Publications (1)

Publication Number Publication Date
JPS57139927U true JPS57139927U (en) 1982-09-01

Family

ID=12218933

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2736281U Pending JPS57139927U (en) 1981-02-27 1981-02-27

Country Status (2)

Country Link
JP (1) JPS57139927U (en)
GB (1) GB2094018B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154332A (en) * 1984-01-24 1985-09-04 Robert Kelvin Newton Optical sight
DE10343630B4 (en) * 2003-09-20 2007-11-15 Schott Ag diffuser
KR101377846B1 (en) * 2009-10-30 2014-03-25 후지츠 프론테크 가부시키가이샤 Prism plate, illumination optical system of imaging device, and mold for prism plate
FR3007534A1 (en) 2013-06-20 2014-12-26 St Microelectronics Crolles 2 PRODUCTION OF A NANOSTRUCTURE SPECTRAL FILTER

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3458348A (en) * 1966-05-31 1969-07-29 Minnesota Mining & Mfg Transparent coated optical element
JPS49119646A (en) * 1973-03-15 1974-11-15
JPS5528023A (en) * 1978-08-18 1980-02-28 Tokyo Megane:Kk Production of covered lens
JPS55151617A (en) * 1979-05-10 1980-11-26 American Optical Corp Spectacle lense
JPS55156030A (en) * 1979-05-25 1980-12-04 Tokyo Megane:Kk Manufacture of coated lens

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3458348A (en) * 1966-05-31 1969-07-29 Minnesota Mining & Mfg Transparent coated optical element
JPS49119646A (en) * 1973-03-15 1974-11-15
JPS5528023A (en) * 1978-08-18 1980-02-28 Tokyo Megane:Kk Production of covered lens
JPS55151617A (en) * 1979-05-10 1980-11-26 American Optical Corp Spectacle lense
JPS55156030A (en) * 1979-05-25 1980-12-04 Tokyo Megane:Kk Manufacture of coated lens

Also Published As

Publication number Publication date
GB2094018A (en) 1982-09-08
GB2094018B (en) 1984-12-05

Similar Documents

Publication Publication Date Title
DE8210213U1 (en)
DE3214884C2 (en)
DE3248681C2 (en)
FR2498494B1 (en)
FR2498570B3 (en)
FR2498963B1 (en)
FR2499010B1 (en)
FR2498976B1 (en)
FR2498546B1 (en)
DE3150193C2 (en)
DE3214536C2 (en)
DE3204945C2 (en)
FR2498162B1 (en)
DE3107461C2 (en)
FR2498847B1 (en)
DE3226109C2 (en)
FR2499045B1 (en)
DE3103016C2 (en)
FR2498689B1 (en)
FR2509819B3 (en)
FR2498476B1 (en)
JPS57139927U (en)
FR2498937B1 (en)
DE3106761C2 (en)
DE3227904C2 (en)