Help to correct the color when you use for GOPRO camera to do diving photography. High hardness and light transmission, it would not affect the shooting effect.
Covered optical film, waterproof film, high-transmittance plating on both sides of the lens.
Pink Filter: Designed for color correction for blue water or clear freshwater at the shallow depth of 2 - 15 feet.
Red filter: Used for color correction in seawater diving photography and restoring the red absorbed by water.
Purple Filter: Color correction for freshwater diving photography.