An electronic device according to an embodiment of the disclosure may include a camera, a memory, and at least one processor electrically coupled to the camera and the memory. The at least one processor may obtain a plurality of image frames through the camera, in response to a shooting start command, obtain a shooting command subsequent to the shooting start command, select a first number of image frames from among the plurality of image frames obtained before the shooting command, in response to the shooting command, and generate a first image synthesized based on the selected first number of image frames.