| 摘要 |
An image-pickup apparatus including: a photographing optical system (100); an image-pickup device (102) having a first driving mode for outputting charges in a predetermined number of pixels and a second driving mode for outputting charges in a number of pixels fewer than the predetermined number of pixels in the first driving mode; an image display device (110); and an auto focus arithmetic control unit (104, 111) for carrying out auto focus arithmetic control according to an output signal from the image-pickup device (102), wherein during an auto focus operation, the auto focus arithmetic control unit (104, 111) drives the image-pickup device (102) in the second driving mode, and updates and outputs an image data of an area used for auto focus calculation to the image display device (110), and wherein right after the auto focus operation, the auto focus arithmetic control unit (104, 111) makes the image display device (110) to display an image thereon to indicate a focused area in the displayed image.
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