| 摘要 |
PURPOSE:To reduce a cost, to miniaturize a camera and to save electric power by providing a means photograph left and right videos with one image pick-up element. CONSTITUTION:One image pick-up element 9 is used for an image pick-up element for a right eye and an element for a left eye. That is, shutters 4, 3 are provided on the halfway of optical axes of a lens 2 for the right eye and a lens 1 for the left eye. The shutters 4, 3 are opened/closed in order that the left and right videos alternately pass through them. Both videos are focused on the image pick-up element 9. Each video shutters 3, 4 are opened only at a necessary time, thus even only one image pick-up element 9 can photograph the videos for the right eye and for the left eye, and those videos are not superposed. Consequently, the reduction in weight, the reduction in cost and power saving are attained. |
