Kenko ZETA filters is the ultimate filter with high quality lens of single digital lens reflex cameras. Newly designed innovative ZR (Anit-Reflective) coating makes reflection rate less than 0.3% of single surface of the glass (Less than 0.6% with wide band C-PL). ZR coating also creates water repellent and scratch resistant glass surface to make maintenance very easy. low profile and extremely thing filter frame is fully compatible with super wide angle lenses. * Anti-Reflective and Superior Transmission. * Scratch Resistance Easy-to-Clean Surface. * Innovative New Super Multi-Coating. * Low-Profile Filter Ring. * ted Filter Case.