Nikon 25414 D2Xs User's Manual - Page 66

Taking Photographs-ISO Sensitivity ISO Sensitivity Reacting Faster to Light "ISO sensitivity" is the digital equivalent of film speed. The higher the ISO sensitivity, the less light needed to make an exposure, allowing higher shutter speeds or smaller apertures. ISO sensitivity can be set between values roughly equivalent to ISO 100 and ISO 800 in steps equivalent to 1/3 EV. Settings over ISO 800 are available where high sensitivity is a priority: EV steps over ISO 800 ISO equivalent Control panel display Viewfinder display Approximately 1/3 * 1000 Approximately ½ † 1100 Approximately 2/3 * 1250 Approximately 1 1600 Approximately 2 3200 * Available only when 1/3 step is selected for Custom Setting b2 (ISO step value). † Available only when 1/2 step is selected for Custom Setting b2 (ISO step value). ISO sensitivity can be adjusted using the ISO sensitivity option in the shooting menu or by pressing the ISO button and rotating the main command dial. The ISO Menu 1 Highlight ISO sensitivity in the shooting menu ( 168) and press the multi selector to the right. 2 Highlight the desired option and press the multi selector to the right. The shooting menu will be displayed. 52