Canon 0304B001 User Manual - Page 55

Setting the ISO Speed The ISO speed is a numeric indication of the sensitivity to light. A higher ISO speed number indicates a higher sensitivity to light. Therefore, a high ISO speed is suited for low light and moving subjects. However, the image may look more coarse with noise, etc. On the other hand, a low ISO speed is not suited for low light or action shots, but the image will look finer. The camera can be set between ISO 100 and 1600 in 1/3-stop increments. 1 Hold down the and buttons simultaneously. X The current ISO speed will be displayed on the LCD panel. 2 Turn the dial. While looking at the LCD panel or viewfinder, turn the dial until the desired ISO speed appears, then let go of the buttons. X The ISO speed will be set. At higher ISO speeds and higher ambient temperatures, the image will have more noise. High temperatures, high ISO speeds, or long exposures may cause irregular colors in the image. ISO speed extension Under the tab, set [ISO expansion] to to enable ISO 50 or 3200 to be set. When set, ISO 50 is indicated by L and ISO 3200 by H. 55