Nikon D300S D300S User's Manual - Page 138

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 "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, 0 114). Aperture can be set to values between the minimum and maximum values for the lens. Check exposure in the exposure indicators (see page 113), and continue to adjust shutter speed and aperture until the desired exposure is achieved. Sub-command dial Aperture Shutter speed Z Main command dial 3 Frame a photograph, focus, and shoot. Shutter speed: 1/250 s; aperture: f/8 A AF Micro NIKKOR Lenses Provided that an external exposure meter is used, the exposure ratio need only be taken into account when the lens aperture ring is used to set aperture. 112