This 86mm high quality achromatic DHG Super Protect filter ensures that your lens always stays clean and protected. The digital highgrade glass is coated on both sides to ensure 99.5% light transmission and the super slim design avoids vignetting. It has a front filter thread so that other filters can be used at the same time. DHG Super Protect filters are very resilient and easy to maintain. The DHG Super Protect filter coating prevents scratches from the surface of the glass and is also liquid, oil and dust repellent.