High-quality 112mm circular polarizer filter by the reputable B+W brand Enhances natural colors and boosts color saturation in both analog and digital photography Reduces reflections from non-metallic surfaces such as water, glass, and glossy paint Compatible with nearly all modern cameras, designed to work with TTL exposure metering or autofocus Provides a multiplying factor of 2 to 3, outperforming other polarizers reaching up to 3 stops Enables maximum polarization effect in landscape photography at a 90-degree angle to the sun