Large size PROTECTOR with Anti-Stain Coating (ASC) is ultimate super clear glass for lens protectionREALPRO series is designed according to highest Kenko quality control standards and experience in producing photographic filters. REALPRO series aims to meet professional and amateur photographer demands that are becoming more varying and specific.PROTECT YOUR PRECIOUS LENS FROM DUST SCRATCHES AND DAMAGEREALPRO PROTECTOR is a perfect option for those who prefer using lens safely and protect from unexpected physical damages. REALPRO PROTECTOR is made of fine and clear glass that will not affect the overall quality of your image. suggested for all camera lens users and particularly outdoor active photographers who work in extreme conditions.THE FILTER THAT STAYS CLEAR FOR A LONG TIMEThe one important feature of REALPRO series is Anti-Stain Coating (ASC) that represents a new generation of Kenko coating technology. Thanks to a new formula of coating material the surface of REALPRO PROTECTOR