Less 1ª	Introduction to Flash Photography II
Less 2ª	Built-in flash
Less 3 ª	Automatic Flash
Less 4 ª	Flash on (on)
Less 5ª	Flash on (on)
Less 6ª	Flash off (off)
Less 7ª	Red-eye reduction function
Less 8ª	Slow synchronization function; Over and under exposure with flash.
Less 9ª	Over and under exposure with flash.
Less 10ª	Over and under exposure with flash
Less 11ª	Over and under exposure with flash
Less 12 ª	DSRL camera
Less 13 ª	External flash or hot-shoe
Less 14 ª	External flash or hot-shoe
Less 15 ª	External flash or hot-shoe
Less 16 ª	Sub expose the bottom
Less 17ª	Rinse the bottom
Less 18 ª	Fund shake and bake moved