Diffraction Explained: Why Your Lens is Worse at f/22 than f/8

It’s common knowledge that most lenses are at their best (i.e. sharpest) between f/5.6 and f/8, depending on the lens. But why is that? Why does stopping down further actually make the image softer? This is what YouTuber ZY Productions explains in the video above. As many photographers will already know, the reason a lens […]