A ring flash can be a very useful piece of kit. The light is flat and even, and beloved of fashion and portrait photographers alike. The problem is that, like all photographic equipment, they cost a ...

Ring flashes fit around the barrel of a camera lens to provide an even and diffused light—and they often cost upwards of $200. Spare yourself the expense with a DIY model. Ring flashes are great for ...

To avoid shadows on their face and to produce a lovely halo effect in their eyes, portrait photographers often use a ring flash, which completely encircles the lens with light for even illumination.