DZOFilm Catta Coin Plug-In Filter for Catta Zoom with Double-Sided Nano-Coating (Black Mist Set)The DZOFilm Catta Coin Plug in Filter, Black Mist Set is made for the Catta Zoom lens. DZOFilm double sided nano coating reduces reflection and flaring. It uses a PVD Anti Fingerprint tablet as the coating material. The active ingredient is evaporated to the glass surface to form a hydrophobic and oleophobic nano coating which can effectively prevent the glass surface from fingerprints and retain cleanness. Rear plug in filters not only allow users to