Pyöröpolarisaatiosuodatin
Pyöröpolarisaatiosuodatin, often shortened to CPL filter, is a photographic accessory used to control reflections and enhance color saturation. It is a type of polarizing filter that rotates to allow the photographer to select the desired level of polarization. Unlike linear polarizers, which can interfere with autofocus and metering systems in some cameras, circular polarizers are designed to work with these systems.
The primary function of a pyöröpolarisaatiosuodatin is to reduce or eliminate unwanted reflections from non-metallic surfaces
Another significant effect of a pyöröpolarisaatiosuodatin is its ability to cut through haze and atmospheric scattering,
The intensity of the polarizing effect depends on the angle of the sun and the subject. When