JPS6222638U - - Google Patents

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Publication number
JPS6222638U
JPS6222638U JP11180985U JP11180985U JPS6222638U JP S6222638 U JPS6222638 U JP S6222638U JP 11180985 U JP11180985 U JP 11180985U JP 11180985 U JP11180985 U JP 11180985U JP S6222638 U JPS6222638 U JP S6222638U
Authority
JP
Japan
Prior art keywords
flash
aperture
focal length
angle
variable
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.)
Pending
Application number
JP11180985U
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 JP11180985U priority Critical patent/JPS6222638U/ja
Publication of JPS6222638U publication Critical patent/JPS6222638U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図は、本考案の一実施例の閃光照射角可変
式ストロボの構成を模式的に示す断面図、第2図
は、同実施例における閃光放電管と反射部材の一
実施例の構成を模式的に示す断面図、第3図は、
本考案を二焦点切替式カメラに適用した場合の概
略構成を示す正面図、第4図は、従来のストロボ
の構成を模式的に示す正面図である。 1……閃光放電管、2……反射部材、2a……
反射面、2b……アパーチユア、3……照射角可
変手段、4,5……ギヤ、6……レンズ取付板、
7……第1のレンズ、8……第2のレンズ。
FIG. 1 is a sectional view schematically showing the configuration of a variable flash illumination angle strobe according to an embodiment of the present invention, and FIG. A schematic cross-sectional view, FIG.
FIG. 4 is a front view schematically showing the configuration of a conventional strobe. FIG. 4 is a front view schematically showing the configuration of a conventional strobe. 1... Flash discharge tube, 2... Reflective member, 2a...
Reflective surface, 2b...Aperture, 3...Irradiation angle variable means, 4, 5...Gear, 6...Lens mounting plate,
7...first lens, 8...second lens.

Claims (1)

【実用新案登録請求の範囲】 (1) 閃光照射角を選択的に変化させ得るストロ
ボにおいて、閃光放電管と、この閃光放電管の周
囲を囲繞し、一部に閃光を射出するためのアパー
チユアが穿設され、内面に反射面が形成された反
射部材と、集光度の異なる集光光学系が上記反射
部材の外側を通る回転軌跡にほぼ沿つて複数個配
列され、これら集光光学系のうちの1つが上記ア
パーチユアの前面を覆う位置に選択的に位置付け
られるように回動可能に配設された照射角可変手
段とを具備したことを特徴とする閃光照射角可変
式ストロボ。 (2) 照射角可変手段は、焦点距離を複数段に切
替えることができる撮影レンズの焦点距離を短焦
点側と長焦点側に切替えるための切替部材と連動
し、この切替部材が短焦点側に操作されたときに
この短焦点側の画角に対応する集光レンズを閃光
を出射するためのアパーチユアに位置させ、上記
切替部材が長焦点側に操作されたときこの長焦点
側の画角に対応する他の集光レンズを上記アパー
チユアに位置させるように構成されていることを
特徴とする実用新案登録請求の範囲第1項記載の
閃光照射角可変式ストロボ。
[Claims for Utility Model Registration] (1) A strobe capable of selectively changing the flash irradiation angle, which includes a flash discharge tube and an aperture that surrounds the flash discharge tube and emits a flash light in part. A plurality of reflective members having a perforation and a reflective surface formed on the inner surface and condensing optical systems with different condensing degrees are arranged approximately along a rotation trajectory passing outside the reflective member, and among these condensing optical systems, A variable flash illumination angle type strobe comprising: a variable illumination angle means rotatably arranged so that one of the means is selectively positioned at a position covering the front surface of the aperture. (2) The illumination angle variable means is interlocked with a switching member for switching the focal length of the photographing lens, which can switch the focal length in multiple steps, between a short focal length side and a long focal length side. When operated, the condensing lens corresponding to the angle of view on the short focus side is positioned at the aperture for emitting flash light, and when the switching member is operated to the long focus side, the angle of view on the long focus side is set. The variable flash illumination angle strobe according to claim 1, characterized in that another corresponding condensing lens is positioned in the aperture.
JP11180985U 1985-07-23 1985-07-23 Pending JPS6222638U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11180985U JPS6222638U (en) 1985-07-23 1985-07-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11180985U JPS6222638U (en) 1985-07-23 1985-07-23

Publications (1)

Publication Number Publication Date
JPS6222638U true JPS6222638U (en) 1987-02-10

Family

ID=30992079

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11180985U Pending JPS6222638U (en) 1985-07-23 1985-07-23

Country Status (1)

Country Link
JP (1) JPS6222638U (en)

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