One of the best protection filters is far better than shoving on a lens hood and hoping for the best – or leaving your glass naked. While lens hoods do provide a level of protection, it's still easy for sand or grit to scratch the front element. However, the best protection filters will prevent small, troublesome particles from reaching the glass. UV Protection Lens Filter is designed to block out ultraviolet light to prevent haze. It can be used as one of the best protection filters.