LENS BARREL AND CAMERA

The present invention moves a lens in the optical axis direction at a high speed. This lens barrel is provided with: a first electromagnetic drive unit 40b; a first lens holding frame 41b, which holds a first lens 4b, and moves the first lens in the optical axis direction by means of the first elect...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TERAO Kentaro, KINOUCHI Yuki, KAZAHAYA Satoshi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	The present invention moves a lens in the optical axis direction at a high speed. This lens barrel is provided with: a first electromagnetic drive unit 40b; a first lens holding frame 41b, which holds a first lens 4b, and moves the first lens in the optical axis direction by means of the first electromagnetic drive unit 40b; a second electromagnetic drive unit; and a second lens holding frame 41a, which holds a second lens 4a, and moves the second lens in the optical axis direction by means of the second electromagnetic drive unit 40a. The first lens holding frame 41b is disposed on the inner circumference side of the second lens holding frame 41a.