Sony DSLR-A100 - Manual (Page 16)

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• If you want to make sure the flash fires without fail, set the flash mode to (Fill-flash) using the function
dial and Fn button. t “User’s Guide/Troubleshooting” (page 54)
Flash indicators in the viewfinder
flashing: The flash is being charged. When the indicator flashes, you cannot release the
shutter.
lit: The flash has been charged and is ready to fire.
The flash range
The flash range depends on the aperture value and ISO sensitivity
setting. The following chart shows the approximate flash range
when the ISO sensitivity is set to [AUTO].
ISO sensitivity t “User’s Guide/Troubleshooting” (page 44)
Notes on using the built-in flash
When shooting with the built-in flash, the lens may block the flash light and a shadow may
appear on the lower part of the image. Be careful about the following:
• Shoot the subject at a distance of 1 m or longer.
• Remove the lens hood.
• The built-in flash is designed to be used with lenses with focal lengths of 18 mm or longer.
Using the flash
Pull the built-in flash up with your finger. The
camera triggers the flash if the amount of light
is insufficient.
Push the flash down with your finger when not
using it.
Aperture Flash range
F2.8 1.4 - 8.6 m (55 1/8 - 338 5/8 inches)
F4 1.0 - 6.0 m (39 3/8 - 236 1/4 inches)
F5.6 1.0 - 4.3 m (39 3/8 - 169 3/8 inches)
Fn button
Function dial
Aperture