CARMEN LED Lighting Lenses Ledil CARMEN LED Lighting Lenses are high-precision lenses and black reflectors ideal for non-glare retail lighting. The CARMEN Lenses offer a sharp cut-off and minimised spill light, providing high contrast between the highlighted objects and their surroundings. The CARMEN Series features a closed design that protects the COB from tampering and dust. The devices are compatible with LEDiL HEKLA using Holder-C and 3rd party connectors using Holder-B.