Sunpak 55mm Circular Polarized FilterIncreases color saturation and contrast by reducing reflections from non-metallic surfaces and by cutting through hazeDeepens sky colorGenerally requires through-the-lens viewingThreaded mount Length 0.75" Width 3" Height 3.5" Weight 0.16 lbs. Sunpak 55mm Circular Polarized Filter. , Audio, Electronics
Sunpak, Consumer Electronics