The Calumet CALSAN0855 is a high-quality neutral density camera filter designed specifically for photographers who seek precise control over the exposure of their shots. With a filter diameter of 55 mm, this filter is suitable for a variety of lenses and allows for the reduction of the amount of light hitting the sensor without compromising color reproduction. The filter is elegantly designed in black and is transparent, making it ideal for use in different lighting conditions. It is particularly useful for long exposures, as it enables smooth representation of motion while maintaining the sharpness of images. The CALSAN0855 is an essential accessory for anyone looking to expand their photographic capabilities and achieve creative effects. With a single piece per pack, this filter is a practical addition to any photography gear.