In P and A modes, slow-shutter sync sets a slower shutter speed to increase the background or ambient lighting exposure in a flash picture. Flash output will automatically be decreased to maintain a correct exposure of your subject.
With Slow-Shutter Sync
Without Slow-Shutter Sync
1 Frame your subject.
2 While pressing the SPOT button, press the shutter-release button all-the-way down to take the pic- ture.
