The 59-171 is a Neutral Density Filter, specifically designed for use in optical systems where light intensity needs to be reduced without altering the color balance. This filter, offered by Edmund Optics, is mounted and features a diameter of 41 mm with a thickness of 5 mm.
The filter is made from UVFS Mal-1965, a material known for its excellent optical properties. It has a wavelength of 588 nm, which is within the visible light spectrum. The filter's coating, both on the front and back, is EDM 59-167, which contributes to its absorptive properties.
The 59-171 filter is designed in a Thin Lens shape, making it suitable for a wide range of optical applications. The catalog number for this item is 59-171, and it is currently in stock. For more information, users can refer to the product's webpage at https://www.edmundoptics.com/p/06-od-m390-x-050-mounted-absorptive-nd-filter/15916/.