This product is a Neutral Density Filter, specifically the 59-168 model, offered by the renowned optical vendor, Edmund Optics. The filter is designed with a circular shape, featuring a diameter of 27.5 mm and a thickness of 4.5 mm, making it suitable for a variety of optical applications.
The filter is constructed from UVFS MAL-1965 material, a choice that contributes to its overall performance. It is coated on both the front and back with EDM 59-167, a detail that enhances its functionality and durability.
The wavelength of this filter is 588nm, and it is designed to operate within the spectral range of 400-700nm. The item data indicates that this filter is currently in stock, and you can find more information or make a purchase through the provided weblink.