And that's why we can't get short depth of field in amateur camcorders. Also, I've given you the means to calculate the depth of field for the entire system, since the size of the disk of confusion is ...

In a DSLR, depth of field is easy to manage by changing the aperture—a large aperture like f/4 results in a relatively narrow field of focus, for example, ...

You probably could, but Apple—ever Apple—is limiting the ability to tweak a photo’s depth of field post-shot to its latest iPhones: the iPhone XS, XS Max, and XR.In other words, if your ...

Press the "Depth of Field Preview" button, located at the base of the camera lens, and look through the viewfinder again. The aperture closes to the selected size and displays a preview of the photo.