Gridspot (or grid) is a studio accessory that you can attach to your flash. When the flash fires through the grid, the spread of the light rays is limited. The effect you get is very similar to the effect achieved by a snoot, but light more controlled and really hits a small surface. You often want to use a snoot or a grid for avoiding light spillage when you are setting up you back light.
The inspiration for this article came from a strobist article that shows how to make a cardboard gridspot. I thought I can improve it by making it out of plastic known as coroplast. Click to continue ›