FNU1525 25 mm Dia. Metallic Neutral Density Filter 546nm

The FNU1525 is a 25 mm diameter Neutral Density Filter, sourced from Knight Optical, a reputable vendor known for its high-quality optical elements. This filter is designed to uniformly reduce the intensity of incident light without altering its color composition, making it an ideal choice for various applications in photography, cinematography, and scientific research.

The filter features a base shape of Circular Metallic, with a thickness of 2 mm, ensuring durability and precision. It is made from UVFS MAL-1965 material, a UV grade material that offers excellent optical performance and resistance to environmental factors.

The FNU1525 is coated on both the front and back with KNI FNU15, a specialized coating that enhances the filter's performance and longevity. This coating helps to minimize reflections, increase transmission, and protect the filter from scratches and other forms of damage.

The filter's geometry is designed in a Thin Lens shape, which not only contributes to its robustness but also ensures easy integration into various optical systems. The filter's 546nm wavelength further expands its applicability, making it suitable for use in a wide range of applications.