95More on PhotographyThe camera’s sensitivity to light can be adjusted according to theamount of light available. The higher the ISO sensitivity, the lesslight needed to make an exposure, allowing higher shutterspeeds or smaller apertures. Noise (randomly-spaced brightpixels, fog, or lines) is however more likely at a setting of Hi 1,which is equivalent to ISO 25600). Choosing Auto allows thecamera to set ISO sensitivity automatically in response tolighting conditions; to use auto in P, S, A, and M modes, selectAuto ISO sensitivity control for the ISO sensitivity settingsitem in the shooting menu (0 227).1 Display ISO sensitivityoptions.Press the P button, thenhighlight the current ISOsensitivity in theinformation display andpress J.ISO SensitivityMode ISO sensitivityi, j, %, I AutoP, S, A, M 100–12800 in steps of 1 EV; Hi 1Other shooting modes Auto; 100–12800 in steps of 1 EV; Hi 1P button