Fresnel Light
A theatrical fresnel light is a soft-edged circle of light that can zoom in size from spot to flood by changing the relationship of the lamp with the interior reflector. They are simplistic fixtures that have stood the test of time in their ability to provide basic controllable light. Nebula LED fresnel light are widely used in theater for specials or in television and photographic studios for tabletop applications. Other uses include nightclubs, museums, etc.