The 300FN46-50 is a 50mm diameter Fused Silica Standard UV Neutral Density Filter, with an Optical Density (OD) of 3.0, sourced from Andover Corporation. This filter is a part of the Neutral Density Filter category, specifically designed for Metallic UV, Visible, and Near-Infrared applications.
The filter boasts a circular base shape, made of fused silica material, identified as fused sil mal-1965 in the catalog. It is designed to operate at a wavelength of 588 nanometers. The geometry of the filter includes a diameter of 50 millimeters and a thickness of 1.5 millimeters, giving it a thin lens shape.
The 300FN46-50 filter is coated on both the front and back sides with the same coating, and it is currently in stock, as indicated by its weblink status. The weblink provided leads to the product page on Andover Corporation's official website, where users can find more detailed information and purchase the item.