The present invention provides an AF evaluation value calculating device in which speed of AF control does not deteriorate even when a number of AF areas are set. The AF evaluation value calculating device for calculating an AF evaluation value used for AF (auto-focus) control of a digital camera, includes: at least one AF evaluation value calculating unit 13 for calculating an AF evaluation value in each of a plurality of AF areas which are set in an image area of image data supplied; and a data transmitter (17a and ch0) for transmitting the AF evaluation value calculated by the AF evaluation value calculator 13 into a predetermined memory by DMA (Direct Memory Access).