| 摘要 |
This invention has as its object to reduce the number of pixels to be read from an image sensor in accordance with a required image size and to shorten the time required to capture an image upon capturing a still image in an image capturing apparatus. To this end, this apparatus has an image sensor which comprises a plurality of photoelectric conversion pixels arranged in a two-dimensional matrix in the vertical and horizontal directions, and a common output unit which is commonly provided to the plurality of photoelectric conversion pixels to sequentially output signals from the plurality of photoelectric conversion pixels; and a read drive unit which can switch a first read mode for dividing signals of photoelectric conversion pixels from the image sensor into m fields (m is a natural number not less than 3) by interlaced scan, and reading signals for the m fields, and a second read mode for reading signals for n fields (n is a natural number that meets 2<=n<m) of the m fields from the image sensor.
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