Nikon D3s Body Only D3S User's Manual - Page 137

A The ISO Sensitivity Menu ISO sensitivity can also be adjusted using the ISO sensitivity option in the shooting menu (0 284). A Hi 0.3-Hi 3 The settings Hi 0.3 through Hi 3 correspond to ISO sensitivities 0.3-3 EV over ISO 12800 (ISO16000-102400 equivalent). Pictures taken at these settings are more likely to be subject to noise (randomly-spaced bright pixels, fog, or lines). A Lo 0.3-Lo 1 The settings Lo 0.3 through Lo 1 correspond to ISO sensitivities 0.3-1 EV below ISO 200 (ISO 160-100 equivalent). Use for larger apertures when lighting is bright. Contrast is slightly higher than normal; in most cases, ISO sensitivities of ISO 200 or above are recommended. A See Also S For information on Custom Setting b1 (ISO sensitivity step value), see page 302. For information on using the High ISO NR option in the shooting menu to reduce noise at high ISO sensitivities, see page 291. 111