H&Y RevoRing Variable ND + CPL - Rs. 14000/-

Combines a variable neutral-density filter and circular polarizer. Its retractable mounting blades allow one RevoRing size to fit several lens-thread sizes. The original version provides approximately 1.5–10 stops of light reduction. Used for: Controlling shutter speed and exposure in video, long-exposure photography, and reducing reflections from water, glass, foliage, and other non-metallic surfaces.