Nikon 25446B D90 User's Manual - Page 101

Mode S (Shutter-Priority Auto) In shutter-priority auto, you choose the shutter speed while the camera automatically selects the aperture that will produce the optimal exposure. Use slow shutter speeds to suggest motion by blurring moving subjects, high shutter speeds to "freeze" motion. To take photographs in shutter-priority auto: 1 Rotate the mode dial to S. Mode dial t 2 Choose a shutter speed. Press the shutter-release button halfway to activate the exposure meters and rotate the main command dial to choose the desired shutter speed from values between 30 s and 1/4,000 s. Main command dial 3 Frame a photograph, focus, and shoot. A See Also See page 255 for information on what to do if flashing "A" or "&" indicators appear in the shutter-speed displays. 81