The FNG2013 is a Neutral Density Filter with a 12.5 mm diameter, sourced from the reputable vendor Knight Optical. This filter is designed to reduce the intensity of light without altering its color composition, making it an ideal choice for various optical applications.
The filter is made of UVFS MAL-1965 material, a type of glass 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 FNG2013 features a thin lens shape, with a thickness of 3.8mm, making it suitable for use in systems where space is a constraint. The filter is coated on both the front and back with KNI FNG20, a coating that enhances its performance and durability.
This filter is currently in stock and available for purchase on Knight Optical's website. The link to the product page is provided in the item data for your convenience.