Reduce Glare and Reflections: 

A polarizer filter can be rotated to selectively filter out light that is polarized in a particular direction, such as light that has been reflected off a shiny surface or scattered in the atmosphere. This can reduce unwanted reflections and glare on surfaces such as water, glass, and foliage, making them appear more transparent and revealing details that might have been hidden.

Enhance Color Saturation: 

A polarizer filter can also boost the intensity and richness of colors in a scene, especially in blue skies and green vegetation. By reducing the amount of scattered light, a polarizer filter can make colors appear more vivid and saturated.

Improve Contrast: 

By reducing the amount of scattered light, a polarizer filter can also help to improve contrast in a scene, making the shadows appear darker and the highlights brighter. This can add depth and dimension to a scene, and make it more visually interesting. Overall, a polarizer filter is a versatile tool that can help to improve the quality of your photos and videos by reducing unwanted glare and reflections, enhancing colors, and improving contrast.