Aperture F2.8 F16 The eyes The smaller the Aperture the bigger the number, The higher the Aperture the smaller the number. If the Aperture is smaller then it is more focused in the front and blurred in the background and if the aperture is higher than the photo is sharp and clear throughout. Shutter speed slow shutter speed fast shutter speed fast fast fast slow slow fast slow slow fast medium slow fast you can shoot in manual mode and change the shutter speed. you can shoot in auto which does it automatically. You can also use shutter priority which lets you set the shutter yourself. ISO iso200 iso 6400 the advantage is because it is dark and dark is better for a high iso, because when it is high it is sensitive to light. if the iso is low it is less sensitive to light if the iso is high it is more light sensitive 2.8-22 apeture 1/40000 of a second-1second 100-25600