Sony a9 Instruction Manual page 142

Note
• Set the exposure mode to manual exposure (other than ISO AUTO is
recommended for ISO sensitivity), and set the shutter speed to the slower of
the following values or slower:
– 1/200 seconds
– The shutter speed recommended by the flash.
• Use flashes with a sync voltage of 400 V or lower.
• Turn off the flash connected to the sync cord when you connect the sync cord
to the (flash sync) terminal. Otherwise, the flash may emit light when the
sync cord is connected.
• The flash power level is set to full power. [Flash Comp.] cannot be set.
• Auto white balance function is not recommended. Use the custom white
balance function to achieve a more accurate white balance (page 125).
• When a flash is connected to the (flash sync) terminal, the flash indicator will
not be displayed.
• Flash cannot be used when [
GB
142
Shutter Type] is set to [Electronic Shutter].