The FNG2513 is a Neutral Density Filter with a 12.5 mm diameter, sourced from Knight Optical. This filter is designed to reduce the intensity of light without altering its color composition, making it ideal for various applications in photography, cinematography, and scientific research.
The filter is made of UVFS Mal-1965, a high-quality glass material known for its excellent optical properties. It has a wavelength of 546nm, which is typically used in applications that require precise control over light intensity. The filter's geometry includes a diameter of 12.5mm and a thickness of 2.4mm, ensuring durability and precision.
The FNG2513 features a Thin Lens shape, which minimizes optical aberrations and distortions, providing clear and sharp images. The filter is coated on both sides with Kni FNG25, a specialized coating that enhances its light absorption capabilities and protects the glass from scratches and environmental damage.
This filter is currently in stock and available for purchase on Knight Optical's website. Its catalog number is FNG2513, and it comes with a valid weblink for easy access and ordering.