K&F 72mm KF01.019 UV Lens Filter

This filter will select which light rays will enter your camera lens. It will allow you to remove unwanted reflections from non-metallic surfaces such as water, glass. etc.

A UV filter is a popular addition to someone's camera kit, often used to protect the front element of the lens from scratches, dirt, water and other foreign matter, and can also make it easier to keep your lens clean, as you can simply remove the filter and clean that instead of the lens.