Marumi EXUS UV (L390) 55mm UV filtrs

New Exus series filter - Marumi's flagship - offers extraordinary performance and quality.New generation filter designed for lens protection and pinpoint UV filtration around 390nm wavelength. Filter EXUS L390 has high permitabillity of visible spectrum light and reduces the light below this treshold. It's mainly effective around 390 nm wavelength (see graph). Its high effectivity and accurate filtration of unwanted wavelengths makes sure, that the picture has correct colors and great edge sharpness. New generation of Exus filters - Marumi's flagship - offers extraordinary performance and quality. New generation polarization filter Low reflectivity (less than 0,6 %) New ASC coating (Anti-Static) - protects against static discharge Water & Oil Repellent (both water and fingerprints can be easily brushed off) Very fast polarization layer (30% faster than SuperDHG) Edge coated with black color for unwanted reflections elemination Glass (t=2,0mm) in new extra thin frame (6,4mm) Thread covered with teflon layer- for easy screwing and unscrewing of the filter Special patented anchoring of the glass in frame - loosening proff, eliminates unwanted reflections EXUS series filters were made to meet requirements of the newest DSLRs.