| 摘要 |
The present invention relates to a holographic optical element, a viewfinder display of a camera using thereof, and a camera. The purpose of the present invention is to show various superimposed displays for various information with securing a bright viewfinder image. In the holographic optical element according to the present invention, a liquid crystal ( 13 ) whose orientation is changeable and a liquid crystal ( 14 ) whose orientation is fixed are arranged alternately with a striped shape between the transparent members ( 12 a) ( 12 b) on which the transparent electrodes ( 11 a) ( 11 b) are formed facing with each other.
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