The FNU1550 is a 50 x 50 mm Metallic Neutral Density Filter, specifically designed for use at the 546nm wavelength. This filter is sourced from Knight Optical, a reputable vendor known for their high-quality optical elements.
The filter is a Neutral Density type, which means it reduces the intensity of all wavelengths of light equally, providing a uniform attenuation without altering the color balance. This makes it an ideal choice for applications where a consistent reduction in light intensity is required, such as in photography, cinematography, or scientific research.
The filter is made from UVFS MAL-1965, a material known for its excellent optical properties. It has a rectangular base shape, which is a common design for filters due to its versatility and ease of use. The filter is thin, with a thickness of 2mm, making it lightweight and easy to handle.
The front and back of the filter are coated with KNI FNU15, a coating that enhances the filter's performance and durability. The shape of the filter is Thin Lens, which is designed to minimize optical aberrations and ensure the highest quality optical performance.
The filter is currently in stock and available for purchase on Knight Optical's website. It is listed under catalog number FNU1550, making it easy to find and order. With its high-quality construction, reliable performance, and versatile design, the FNU1550 is an excellent choice for anyone in need of a 546nm Neutral Density Filter.