The product is a set of three Tiffen ND filters with neutral density effects, specifically ND0.3, ND0.6, and ND0.9. These circular filters have a threaded mount fitting and a filter size of 58mm. Neutral density filters are designed to reduce the amount of light reaching the lens, allowing for longer exposures and deeper depth of field in photography. Tiffen is a well-known brand in the film and photography industry, known for producing high-quality lenses and filters. These ND filters would be useful for photographers looking to achieve specific effects and control brightness in their images.
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