Hoya PRO1 Digital Circular PL, 77 mm

Hoya PRO1 Digital Circular PL, 77 mm ... unwanted reflections from non-metallic surfaces such as water, glass etc. They also enable colors to become more saturated and appear clearer with better contrast. This effect is often used to increase the contrast and saturation in blue skies and white clouds. HOYA's polarizing filters do not affect the overall color balance of a shot.