Patent ID: 8681236

Claim:
An apparatus for reducing a shutter lag in a digital camera, the apparatus comprising: an electronic shutter capable of being driven in a half shutter state and a full shutter state; a controller for controlling an execution of a sub-sampling preview mode of a digital camera function, detecting an input of the half shutter state during the execution of the sub-sampling preview mode, upon detecting the input of the half shutter state, controlling to begin to fix white balance and exposure, and to automatically adjust a focus during the execution of the sub-sampling preview mode, controlling switching to a full-pixel preview mode upon completion of the adjustment and prior to detecting an input of the full shutter state, and controlling image capture upon detecting the input of the full shutter state; a memory for temporarily storing a first image being currently displayed on a display when detecting the input of the full shutter state and a second image to be displayed next to the first image; and the display for displaying, upon detecting input of the full shutter state, the first image and the second image to allow selection of one or both of the first image and the second image.