113f: Changing the Autofocus OperationKBy default, the AF points light up in red when focus is achieved in low-light conditions. In Creative Zone modes, you can set whether to havethe AF points light up in red when focus is achieved (p.356).Under low-light conditions, when you press the shutter button halfway,the built-in flash may fire a brief burst of flashes. This illuminates thesubject to help autofocusing.AF Points Lighting Up in RedAF-Assist Beam with the Built-in FlashThe AF-assist beam will not be emitted from the built-in flash in thefollowing shooting modes: <7>, <3>, <5>, and <C>.The AF-assist beam will not be emitted with AI Servo AF operation.The built-in flash makes a sound when firing continuously. This is normaland not a malfunction.The effective range of the AF-assist beam emitted by the built-in flash isapprox. 4 meters/13.1 feet.In Creative Zone modes, when you raise the built-in flash with the <I>button (p.176), the AF-assist beam will be emitted when necessary. Notethat depending on the setting for [4: AF-assist beam firing] under [54:Custom Functions (C.Fn)], AF-assist beam will not be emitted (p.354).
