Adopts "digital multicoat" with high transmittance. This greatly reduces reflections and provides 0.5% surface reflections. This filter is designed specifically for lens protection with properties that do not affect visible light. We also recommend wearing your precious lens for outdoor shooting, to prevent dust or dirt from scratching. No UV protection. Ultra lightweight and thin frame type ideal for wide lenses. Thinner frame with screws on the front of the filter allowing you to attach a lens cap.