Eliminates reflections on non-metallic surfaces e.g. windows or water surfaces, by simply rotating the polarizer filter. For improved colour saturation and rich contrasts. The filter boasts of a 6x multi-coating on both sides for a light transmittance of more than 99%. The anti-reflex metal mount prevents reflections. The front thread allows the use of other accessories. Available in diameters from 37 to 95 mm.