Shooting options 47Shooting in the darkAdjusting the ISO speedThe ISO speed is the measure of a film’s sensitivity to light asdefined by the International Organization for Standardization (ISO).The higher ISO speed you select, the more sensitive to light yourcamera becomes. With a higher ISO speed, you can get a betterphoto without using the flash.In Shooting mode, select1 f .Select an option.2 Selectt to use an appropriate ISO speed based on thebrightness of the subject and lighting.AutoThe higher ISO speed you select, the more image noise you may get.pOption DescriptionRed-eye*:The flash fires when the subject or background istdark.The camera reduces red-eyes.tFill in:The flash always fires.tLight intensity is adjusted automatically.tSlow Sync:The flash fires and the shutter stays open longer.tSelect this when you want to capture ambient lighttto reveal more details in the background.Use a tripod to prevent your photos from blurring.tRed-eye Fix*:The flash fires when the subject or background istdark.The camera corrects red-eyes through its advancedtsoftware analysis.The options may differ depending on the shooting mode.* There is an interval between two bursts of the flash. Do not move untilthe flash fires a second time.Flash options are not available if you set burst options or selectt BlinkDetection or Self-Portrait.Make sure that your subjects are within the recommended distancetfrom the flash. (p. 121)If there is reflected light or much dust in the air, tiny spots may appearton your photo.