Filtro PL circolare digitale originale HOYA 77mm Pro1 77mm PRO1D CPL made in Japan
77mmHOYA PRO1 Digital DMC LPF Circular PL Filter. 77mm Hoya Pro1 Digital Circular PL filter x 1;. This effect is often used to increase the contrast and saturation in blue skies and white clouds. HOYA's polarizing filters.