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