1. A method comprising: continuously, after entering a mode, capturing a sequence of images with an image capturing device; continuously, after entering the mode, storing a predetermined number of the sequence of images in a buffer; receiving a user request to capture an image; and in response to the user request, automatically selecting one of the buffered images based on an image contrast parameter that compares pixel values within each buffered image, wherein the sequence of images were captured prior to receiving the user request.