F-stop is a consistent way to measure lens aperture, and helps photographers control exposure and depth of field. It is noted ...

A smaller F stop number will signify a wider aperture, which in turn results in a narrower depth of field or more blur. For example, an F/1.8 aperture will blur the background more than an F/3.5 ...

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