| 摘要 |
An optical apparatus includes a display for displaying image information, a display optical system having a plurality of reflection surfaces for guiding a light beam from the display to an eyeball of an observer, an image sensor, an image pickup optical system having a plurality of reflection surfaces for focusing a light beam from an external field to form an image on the image sensor, and an optical path separating surface for separating an optical path in the display optical system and an optical path in the image pickup optical system from each other in opposite directions. Thus, image information provided on the display can be viewed by the observer, and a scene in the external field can be taken in the image sensor.
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