Sony DSLR-A390 Instruction Manual - Page 84

MENU button, AF illuminator], Red eye reduc.], The flash range, To deactivate the AF illuminator

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The flash range The range of the built-in flash depends on the ISO sensitivity and aperture value. Refer to the following table. Aperture F2.8 F4.0 F5.6 ISO AUTO 1.4 - 7.1 m (4.6 - 23 1 - 5 m (3.3 - 16 setting feet) feet) 1 - 3.6 m (3.3 - 11 feet) 100 1 - 3.6 m (3.3 - 11 1 - 2.5 m (3.3 - 8.2 1 - 1.8 m (3.3 - 5.9 feet) feet) feet) 200 1 - 5.1 m (3.3 - 16 1 - 3.5 m (3.3 - 11 1 - 2.5 m (3.3 - 8.2 feet) feet) feet) 400 1.4 - 7.1 m (4.6 - 23 1 - 5 m (3.3 - 16 1 - 3.6 m (3.3 - 11 feet) feet) feet) 800 2 - 10 m (6.6 - 32 1.4 - 7.1 m (4.6 - 23 1 - 5.1 m (3.3 - 16 feet) feet) feet) The AF illuminator • AF illuminator does not operate when [Autofocus mode] is set to (Continuous AF) or the subject is moving in (Automatic AF). (The or indicator lights.) • The AF illuminator may not operate with focal lengths of 300 mm or longer. • When an external flash is attached, the AF illuminator of the external flash is used. To deactivate the AF illuminator MENU button t 1 t [AF illuminator] t [Off] To use the red-eye reduction The red-eye reduction reduces the red-eye phenomenon by providing preflash (low-flash light) a few times before shooting when using the flash. MENU button t 1 t [Red eye reduc.] t [On] 84

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84
The flash range
The range of the built-in flash depends on the ISO sensitivity and aperture
value. Refer to the following table.
The AF illuminator
•
AF illuminator does not operate when [Autofocus mode] is set to
(Continuous AF) or the subject is moving in
(Automatic AF). (The
or
indicator lights.)
•
The AF illuminator may not operate with focal lengths of 300 mm or longer.
•
When an external flash is attached, the AF illuminator of the external
flash is used.
To deactivate the AF illuminator
MENU button
t
1
t
[AF illuminator]
t
[Off]
To use the red-eye reduction
The red-eye reduction reduces the red-eye phenomenon by providing pre-
flash (low-flash light) a few times before shooting when using the flash.
MENU button
t
1
t
[Red eye reduc.]
t
[On]
Aperture
F2.8
F4.0
F5.6
ISO
setting
AUTO
1.4 – 7.1 m (4.6 – 23
feet)
1 – 5 m (3.3 – 16
feet)
1 – 3.6 m (3.3 – 11
feet)
100
1 – 3.6 m (3.3 – 11
feet)
1 – 2.5 m (3.3 – 8.2
feet)
1 – 1.8 m (3.3 – 5.9
feet)
200
1 – 5.1 m (3.3 – 16
feet)
1 – 3.5 m (3.3 – 11
feet)
1 – 2.5 m (3.3 – 8.2
feet)
400
1.4 – 7.1 m (4.6 – 23
feet)
1 – 5 m (3.3 – 16
feet)
1 – 3.6 m (3.3 – 11
feet)
800
2 – 10 m (6.6 – 32
feet)
1.4 – 7.1 m (4.6 – 23
feet)
1 – 5.1 m (3.3 – 16
feet)