1. A mobile device comprising: one or more processors; one or more memories communicatively coupled to the one or more processors; a camera; a display for displaying images to a user and for receiving user input from the user; and a photo application executing on the mobile device and being configured to: cause the camera to acquire an image represented by image data, process the image data to identify a plurality of candidate objects of interest in the image, select a particular candidate object of interest from the plurality of candidate objects of interest, wherein the particular candidate object of interest has a location other than the center of the display, and cause passive auto focusing to be performed at the location other than the center of the display of the particular candidate object of interest.