| 摘要 |
PURPOSE:To accurately and automatically focus an image on a screen with simple constitution by focusing even an image picked up by an image pickup means when the image on the screen is put in focus. CONSTITUTION:A focus adjusting means 11 for projection and the focus adjusting means of the image pickup means 8 are controlled associatively, and when the image of the screen is put in focus, the image picked up by the image pickup means 8 is also focused. Consequently, the image on the screen is focused by the projecting machine, the image formation plane on the image pickup plane of the image pickup means can be put in focus, and the constitution is simplified. |
