1).How the CPL -2 works ?
Polarizing filters are made according to the principle of light Polarization and have the special function of eliminating glare.
Designed to eliminate reflections on surfaces such as water, glass, paint, sky, car dashboards, etc.
And to let in natural light. It makes the image more vivid and colorful in bright daylight.
2). It doesn’t feel like it’s doing much after installing the CPL-2.
Ans:
Step1: Please check the cleanliness of the dashcam/CPL-2 lens
Step2: Please check whether the CPL-2 is installed at the correct angle.
