发明名称 Light amount adjustment apparatus and image pickup apparatus
摘要 Disclosed herein is a light amount adjustment apparatus, including: a shutter blade and a filter blade each configured to operate in a predetermined direction to adjust the amount of light transmitted through a lens group; a first magnet configured to drive the shutter blade; a first core and a first coil; a second magnet configured to drive the filter blade; and a second core and a second coil. The filter blade has a control portion for controlling and adjusts the amount of light transmitted through the lens group. The filter blade has at least one hole or one cutaway portion formed at a portion of the filter blade other than the control portion.
申请公布号 US7806605(B2) 申请公布日期 2010.10.05
申请号 US20080009115 申请日期 2008.01.16
申请人 SONY CORPORATION 发明人 OHKUMA HIDEO
分类号 G03B9/08;G02B26/02;G03B9/20;G03B9/26 主分类号 G03B9/08
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