what is gobo lighting
A gobo (or GOBO) is a physical stencil or template slotted inside, or placed in front of, a lighting source, used to control the shape of emitted light.he spacing of the gobo and the lens may be varied to alter the size and focus of the image. A gobo in a gobo holder, which goes in a stage lighting instrument. The discolored portion is oxidation of the stainless steel caused by the high temperature of the lamp, but the gobo is still usable.