ISO
1. The advantage of taking a picture is capturing the photo without any noise in the pic. 2. that to use it when it is brighter 3. That to use it when it is dark Aperture-2.8, 4, 5.6, 8,11, 16, 22 Shutter speed-1 second, 1/60 second, 1/4000 second ISO-100, 200, 400, 800, 1600, 3200, 6400, 12,800, 25,600