With autoexposure bracketing, the camera automatically changes the exposure level within the set range for three successive frames. The bracketing amount centers on the correct exposure and the bracketed exposures can be varied up to +/- 2 stops in 1/2-stop exposure increments. The three bracketed shots are exposed in the following sequence: Correct Exposure, Underexposure and Overexposure. Auto Exposure bracketing is useful for obtaining subtle lighting effects especially with slide film