24Auto ISO sensitivity control au-tomatically adjusts ISO sensitiv-ity if optimal exposure cannot beachieved at the value selected bythe photographer. If Auto is se-lected for Minimum shutter speed, the camera will also ad-just the threshold for auto ISO sensitivity control accordingto the focal length of the lens (CPU lenses only), a feature youwill fi nd particularly convenient when using zoom lenses (seesample photos at right).To enable auto ISO sensitivity control, select On for ISOsensitivity settings > Auto ISO sensitivity control in theshooting menu.MaximumsensitivityChoose the maximum value available for auto ISO sen-sitivity control (200–Hi 2). The minimum is ISO 100.MinimumshutterspeedIn exposure modes e and g, sensitivity will only beadjusted if shutter speed would otherwise be slowerthan this value (¼,000–1 s orAuto). Highlight Auto andpress 2 to choose whetherthe camera gives priorityto shutter speed (Slower)or ISO sensitivity (Faster)when Auto is selected.Quick Tips2. Auto ISO Sensitivity Control2. Auto ISO Sensitivity Control