The set is ND4 / PL; Includes ND8 / PL & ND16 / PL filters.
PolarPro OsmoAction's polarized ND filter is used for more accurate shutter speed management in different light effects. Easy to replace; magnetic design.
16-layer reflector; anti-scratch and anti-oil / water coating.
The filter system is completely drip-proof against precipitation and rain. NDs are generally not suitable for underwater use due to easy fall off.
Lifetime warranty.