88Set the ISO speed (image sensor’s sensitivity to light) to suit theambient light level. In Basic Zone modes, the ISO speed is setautomatically (p.89).1 Press the <Wi> button.X [ISO speed] will appear.2 Set the ISO speed.Press the <Y> <Z> keys or turn the<6> dial to select the desired ISOspeed, then press <0>.With [AUTO] selected, the ISO speedwill be set automatically (p.89).ISO Speed Guide* High ISO speeds will result in grainier images.i: Changing the ISO SpeedNISO Speed Shooting Situation(No flash) Flash RangeISO 100 - 400 Sunny outdoors The higher the ISO speed,the farther the flash rangewill extend (p.101).ISO 400 - 1600 Overcast skies or evening timeISO 1600 - 6400, H Dark indoors or nightUnder [53: Custom Functions (C.Fn)], if [2: ISO expansion] is set to[1: On], “H” (equivalent to ISO 12800) can also be set (p.258).Under [53: Custom Functions (C.Fn)], if [10: Flash button function]is set to [1: ISO speed], you can set the ISO speed with the <D> button.Under [53: Custom Functions (C.Fn)], if [6: Highlight tone priority] isset to [1: Enable], ISO 100 and “H” (equivalent to ISO 12800) cannot beselected (p.261).Shooting in high temperatures may result in images that look grainier.Long exposures can also cause irregular colors in the image.COPY
