The Nanlite FL-11 Fresnel Lens is a glass fresnel lens with an adjustable-length housing that focuses light output of the Nanlite Forza 60 and Forza 60B. The FL-11´s rotating barrel design enables beam angle adjustment from spot 10° to flood 45° with an intuitive twisting motion.
The included metal barndoors enables further adjustment of the light output and control of spill.