The 83-997 is a 100 x 300 mm Kodak Wratten 2 Neutral Density Color Filter, available from Edmund Optics. This filter is designed for use in the 400-700nm wavelength range, offering an optical density (OD) of 0.2.
The filter is made from color glass, a material identified as UVFS MAL-1965 in the item data. It is rectangular in shape, with a thickness of 0.1mm, making it a thin lens. This filter is coated on both the front and back with EDM 53-702, a coating that enhances its performance and durability.
According to the vendor's information, this filter is currently in stock and can be purchased directly from the Edmund Optics website. The item data also provides a direct weblink to the product page for convenience. This filter is part of a larger catalog of optical elements offered by 3DOptix, all of which are designed to meet the diverse needs of our users.