The UL-DF is a glass diffuser for the UL-2 Ultralight-2 on camera light. When in use the UL-DF lowers the light output by one f/Stop, while softening and spreading the edge of the beam pattern. For optimal use the UL-DF should be used with * "spot" lamps only. For convenience, the UL-DF can easily swing away from the front of the Ultralight.
*Available Spot Lamps Include: