What are the f-stops on your camera or lens? And what kind of effect does changing them have? Our chart explains all ...

let in little light; big holes (f/2, f/2.8, etc.) let in a lot. It takes some experimentation to get the right shutter speed/f-stop combination because of the variables: the brightness of the ...

Camera shutter speed is an essential adjustment in photography – along with the aperture, the shutter moderates the amount of light entering the camera. Older cameras (and some newer ones ...

The trick is getting that long shutter speed in broad daylight. You can crank the f-stop all the way down, use the lowest ISO your camera can manage, and still not get there. This is where you ...