The Genus 77mm ND Filter with Case is a high-quality neutral density filter designed for cameras and lenses. This circular filter, with a threaded mount fitting and a 77mm filter size, allows for reducing the amount of light entering the lens, enabling photographers to capture longer exposures and achieve a greater dynamic range in their images. The filter comes as a single unit and is protected by a convenient case for easy storage and transport. Ideal for photographers looking to experiment with neutral density filters and enhance their creative capabilities.