1. A method in an electronic device, the method comprising: displaying a first image obtained by an image sensor on a display; detecting whether an angle of view of the image sensor is changed; determining a plurality of different sizes corresponding to a plurality of crop images based on a change value in the angle of view and a size of the first image if the angle of view is changed; obtaining the plurality of crop images from the first image based on the plurality of different sizes; and sequentially displaying the plurality of crop images on the display.