The Case for Ultraviolet Filters Beyond Basic Protection When photographers reach for a lens hood or filter, it's often to protect their glass from scratches and other damage.
However, ultraviolet (UV) filters offer more than just basic protection. They can significantly enhance image quality, reduce atmospheric effects, and provide creative options for astrophotographers.
The primary purpose of UV filters is to block or absorb ultraviolet light, a significant component of natural light.