APUTURE LS 600C PRO II LED FIXTURE COMPLETEThe LS 600c Pro II has a new light engine design that increases output efficiency while maintaining power draw and color quality. A new formulation of LED emitters raises the output of the bare light by 35%. The new design is even better with modifiers, yielding 82% more light when used with the included Hyper Reflector and 70 85% more when paired with the F10 fresnel.