Looking a whole heap more professional than a DIY ring-flash, Photojojo's $40 flash is light in two ways: it weighs just 700 grams, and uses the light from your existing flashgun to illuminate your photos evenly, and strongly.
If you're strapped for cash but you really need a ring flash for your camera, Make has found some instructions that we think will be easy for you to do with some basic household stuff.
This Ray Flash Ring attaches onto your camera's existing flash, and redirects the output into a ring for softer, less directional lighting. $200 is a bit steep for the honor, though. [OhGizmo]
This Lomography Ringflash attaches to the outside of your lens, and its four lighting elements each deliver a different color to your subject. You can use it as a single color ring flash, too, but its makers encourage you to get up close to your subject and flash a picture that has four different kinds of lighting in…