The JJC F NC67 2 In 1 Variable ND + CPL Filter is a versatile accessory for photographers that functions both as a neutral density filter (ND) and a circular polarizing filter (CPL). This type of filter allows you to control the amount of light hitting the sensor, preventing overexposure in bright environments. At the same time, the CPL filter enhances color saturation and reduces reflections, which is particularly beneficial for shots involving water or glass. The filter features a variable ND range that allows for flexible adjustment of light transmission, enabling creative effects without compromising image quality. Installation is quick and easy, making it a practical tool for various photographic applications. The JJC F NC67 filter is therefore a valuable addition to the gear of photography and videography enthusiasts looking to optimize their shots under different lighting conditions.