If you want to get creative with your photography, and out of that all-too-tempting automatic mode, you'll need to get your head around a few key settings. We've already looked at ISO, and now it's ...
The Canon EF-S 18-55mm f/4-5.6 IS STM, for example, has a maximum aperture of f/4 at 18mm and f/5.6 at 55mm. In the main, variable maximum aperture zoom lenses are a bit of a compromise; they tend to ...