There is provided an image sensor, including an input control unit configured to control signal paths between a plurality of pixels and a plurality of sampling units and supplying outputs from the plurality of pixels in row units to the plurality of sampling units during a normal operation, while supplying the outputs from the plurality of pixels by color, to the plurality of sampling units during a binning operation; and an output control unit configured to control signal paths between the plurality of sampling units and an amplification unit and sequentially supplying outputs from the plurality of sampling units to the amplification unit during the normal operation while simultaneously supplying the outputs from the plurality of sampling units to the amplification unit during the binning operation.