FIELD: physics.
SUBSTANCE: head-mounted display device includes an image processing unit that controls the image on the right and the left displays. The image processing unit moves the images of the right and the left display closer to each other or further apart to change the focal length of the image in the virtual image that is visually recognized by the user. Herewith the indicated change in the focal length is made depending on the marker recognition that is present in front of the user's eyes.
EFFECT: providing a change in the focal length of an image in the virtual image that is visually recognized by the user, without mechanical moving the component parts of the head-mounted display device.
10 cl, 16 dwg
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