The Tiffen Series 9 standard coated clear filter is a simple, transparent filter designed for general protection of your lens. This optically clear filter does not affect overall image quality whilst helping to reduce dust, scratches, moisture and other elements that could damage your lens. This filter is standard coated to help reduce reflections and improve light transmission.nnTiffen filters are manufactured using ColorCore technology; a process that laminates the filter substrate between 2 pieces of optical glass, polishes it flat to a tolerance of 1/10,000th of an inch, then mounts it onto precision metal rings. This filter is compatible with Series 9 filter holders.nnn- Clear filter offers general protection for your lens from the elements.n- Standard coating to reduce lens flare and improve light transmission.nnnSpecificationsnn