| 发明名称 |
LIGHT AMOUNT ADJUSTING DEVICE, IMAGING OPTICAL SYSTEM, AND IMAGE CAPTURING APPARATUS |
| 摘要 |
There is provided with a light amount adjusting device. The light adjusting device has a plurality of optical filter elements. The plurality of optical filter elements have different light transmittances. Reflected light colors from the plurality of optical filter elements are substantially equal. |
| 申请公布号 |
US2015168712(A1) |
申请公布日期 |
2015.06.18 |
| 申请号 |
US201514627091 |
申请日期 |
2015.02.20 |
| 申请人 |
CANON DENSHI KABUSHIKI KAISHA |
发明人 |
Sato Yasuhiro;Yanagi Michio |
| 分类号 |
G02B26/02;G02B1/11;G03B9/02 |
主分类号 |
G02B26/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A light amount adjusting device comprising a plurality of optical filter elements having different light transmittances, wherein reflected light colors from the plurality of optical filter elements are substantially equal. |
| 地址 |
Chichibu-shi JP |
