Freewell Circular Polarizer Filter (CP) helps to remove unwanted reflections from non-metallic surfaces such as water or glass from the sun.
It also provides colour and contrast enhancement by reducing glare of water or the sky.
ND8 : Cuts light by 3 stops (For normal sunny day)
ND16 cuts light by 4 f-stops suitable for cloudy day
ND32 cuts light by 5 f-stops