Nikon D3s Body Only D3S User's Manual - Page 152

2 Choose aperture and shutter speed. While the exposure meters are on, rotate the main command dial to choose a shutter speed, and the sub-command dial to set aperture. Shutter speed can be set to "p" or to values between 30 s and 1/8,000 s, or the shutter can be held open indefinitely for a long time-exposure (A, 0 128). Aperture can be set to values between the minimum and maximum values for the lens. Check exposure in the exposure indicators, and continue to adjust shutter speed and aperture until the desired exposure is achieved. Sub-command dial Aperture SHOOT CUSTOM Z Shutter speed SHOOT CUSTOM Main command dial Shutter speed and aperture can be locked at the selected setting (0 130, 131). 3 Frame a photograph, focus, and shoot. Shutter speed: 1/250 s; aperture: f/8 126