Af Illuminator; Lock-On Af - Sony α SLT-A58 Instruction Manual

AF Illuminator

You can set the AF illuminator to focus on a subject under dark lighting.
MENU button t
setting
• Since the camera uses the built-in flash as an AF illuminator, press the
button to open the flash.
• The AF illuminator does not operate when [Autofocus Mode] is set to
(Continuous AF) or the subject is moving in
(The or indicator lights.)
• The AF illuminator may not operate at focal lengths of 300 mm or longer.
• When an external flash (sold separately) with an AF illuminator is
attached, the AF illuminator of the external flash is used. Push the built-in
flash down.
• The AF illuminator does not operate when [Smile Shutter] is set to [On].

Lock-on AF

Keeps the focus on a moving subject while tracking it. When [Autofocus
Mode] is set to [Continuous AF], [On(Lock-on AF w/ shutter)] will
function.
1
Set [Autofocus Mode] to [Continuous AF] (page 109).
2
Fn button t
2 t [AF Illuminator] t Select the desired
(Lock-on AF) t [On(Lock-on AF w/ shutter)]
Adjusting the focus
(Automatic AF).
111