DE3900351C2 - - Google Patents

Info

Publication number
DE3900351C2
DE3900351C2 DE3900351A DE3900351A DE3900351C2 DE 3900351 C2 DE3900351 C2 DE 3900351C2 DE 3900351 A DE3900351 A DE 3900351A DE 3900351 A DE3900351 A DE 3900351A DE 3900351 C2 DE3900351 C2 DE 3900351C2
Authority
DE
Germany
Prior art keywords
wings
sun visor
focal length
angular position
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 - Lifetime
Application number
DE3900351A
Other languages
German (de)
English (en)
Other versions
DE3900351A1 (de
Inventor
Sigmund Dr. 8000 Muenchen De Geggerle
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
Priority to DE3900351A priority Critical patent/DE3900351A1/de
Publication of DE3900351A1 publication Critical patent/DE3900351A1/de
Application granted granted Critical
Publication of DE3900351C2 publication Critical patent/DE3900351C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
    • G03B11/045—Lens hoods or shields

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
DE3900351A 1989-01-07 1989-01-07 Bildwinkelvariable, formatbezogene sonnenblende fuer schiebezooms mit synchroner, brennweitenentsprechender fluegelverstellung Granted DE3900351A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE3900351A DE3900351A1 (de) 1989-01-07 1989-01-07 Bildwinkelvariable, formatbezogene sonnenblende fuer schiebezooms mit synchroner, brennweitenentsprechender fluegelverstellung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3900351A DE3900351A1 (de) 1989-01-07 1989-01-07 Bildwinkelvariable, formatbezogene sonnenblende fuer schiebezooms mit synchroner, brennweitenentsprechender fluegelverstellung

Publications (2)

Publication Number Publication Date
DE3900351A1 DE3900351A1 (de) 1989-06-01
DE3900351C2 true DE3900351C2 (enExample) 1991-09-05

Family

ID=6371711

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3900351A Granted DE3900351A1 (de) 1989-01-07 1989-01-07 Bildwinkelvariable, formatbezogene sonnenblende fuer schiebezooms mit synchroner, brennweitenentsprechender fluegelverstellung

Country Status (1)

Country Link
DE (1) DE3900351A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107942599A (zh) * 2017-12-11 2018-04-20 合肥右传媒科技有限公司 一种摄影设备上的遮光斗
CN111562712B (zh) * 2020-05-27 2020-11-24 福清市鸿扬电子科技有限公司 一种摄影可伸长的稳固遮光斗装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045117A (en) * 1976-04-23 1977-08-30 Jack Lerner Combined camera lens cap and lens shade
DE3106636A1 (de) * 1980-08-04 1982-03-18 Roger C. 8000 München Field Kamera, insbesondere film- oder videokamera
GB2164764A (en) * 1984-09-20 1986-03-26 Peter Hodges Motorised zoom lens hood
JPH05236023A (ja) * 1992-02-18 1993-09-10 Fujitsu Ltd 代表回線切替方式

Also Published As

Publication number Publication date
DE3900351A1 (de) 1989-06-01

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Legal Events

Date Code Title Description
OAV Applicant agreed to the publication of the unexamined application as to paragraph 31 lit. 2 z1
OP8 Request for examination as to paragraph 44 patent law
8122 Nonbinding interest in granting licenses declared
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee