44Reference—P, S, A, and M ModesA: Aperture-Priority AutoIn mode A, you choose the aperture while the camera controls shutterspeed for optimal exposure. Small apertures (high f/-numbers) increasedepth of field, bringing both the main subject and background into focus.Large apertures (low f/-numbers) soften background details and let morelight into the camera, increasing the range of the flash and making photo-graphs less susceptible to blurring.1 Rotate the mode dial to A.2 Rotate the command dial to choose the de-sired aperture.3 Frame a photograph, focus, and shoot.
