The professional UV filter from dHD DIGITAL was made from coated optical brand real glass. This branded optic was embedded in a precision aluminum frame. The aluminum frame has both an internal thread and an external thread, which allows the inclusion of a lens cap or other filters. The UV filter filters the disturbing UV radiation to prevent the "grey haze" in your recordings. Your images will have much more contrast and become sharper. Try it out, you will be amazed by the dHD DIGITAL UV filter! In addition, the use of the UV filter protects your expensive lens. The UV filter is of course supplied with the storage case so that it can always be transported safely. Brand new - dHD Digital quality product from a retailer. Very high-quality and absolutely custom-fit UV brand filter. Material: optical brand real glass and matt black anodized aluminum frame. Precise metal internal thread and metal external thread (of course still allows the use of filters and lens caps).