Carl Zeiss CONTAX Full Frame Eng Base Lens: Zeiss Contax PrimesSuper speed set 28mm F2 (Hollywood), 35mm F1.4, 50mm F1.4, 85mm F1.4, 100mm f2 , 135mm F2 Stainless steel PL mountAll lenses cover 8K sensor100mm diameter of front Lens ringAluminum rehoused Lens body