Canon EOS Rebel T6s Telephoto Lens Kit 业主指南

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页码 680
113
f
: Changing the Autofocus OperationK
By 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 have 
the 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 the 
subject to help autofocusing.
AF Points Lighting Up in Red
AF-Assist Beam with the Built-in Flash
The AF-assist beam will not be emitted from the built-in flash in the 
following 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 normal 
and not a malfunction.
The effective range of the AF-assist beam emitted by the built-in flash is 
approx. 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. Note 
that 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).