Sony SLT-A99V α Handbook - Page 100

Adjusting the focus • For details on lenses compatible with the AF range control function, visit the Sony web site in your area, or consult your Sony dealer or local authorized Sony service facility. • The AF area or assist area may not quickly or easily turn to yellow under insufficient light or when the contrast of the subject is low, such as a solid color flat surface. In such cases, use the contoured part of the subject, etc. to focus on the subject. Adjusting the focus except for the shutter button (AF On) You can adjust the focus using other buttons instead of the shutter button. The setting for autofocus is set to the mode selected with [Focus Mode]. MENU button t 4 t Select the desired button* t [AF On] * Select the setting among [Func. of AEL button], [ISO Button], [AF/MF button], [Custom button], or [Preview Button]. Shooting technique • If you do not want to use the shutter button to focus, make the following settings in addition to the [AF On] setting. - Set [AF w/ shutter] to [Off]. - Set [AEL w/ shutter] to your preference. AF illuminator You can set the AF illuminator to focus on a subject under dark lighting. MENU button t 2 t [AF Illuminator] t Select the desired setting Notes • AF illuminator does not operate when [Focus Mode] is set to [Continuous AF] or [Depth Map Assist Continuous AF] or the subject is moving in [Automatic AF]. (The or indicator lights.) • AF illuminator does not operate when [AF area] is set to [Local] or [Zone], and the center area is not selected. • The AF illuminator may not operate with focal lengths of 300 mm or longer. • When a flash (sold separately) that is equipped with an AF illuminator is attached, the AF illuminator of the flash is used. • AF illuminator does not operate when the Smile Shutter function is used. 100