The HOYA 58mm SOLAS ND-16 (1.2) 4 Stop IRND Neutral Density Filter is a great addition to any camera gear. This filter is Designed to provide an ND-16 filter rating, which means that it will block out a bright portion of the image to reduce required cleaning time and simplify photo editing. This high ND filter is also Waterproof, making it perfect for shooting in water. The filter also features a Cat. Aperture value of 16, which will let you get the most out of your lens while filters are in use.