63-391 25 mm Dia. Non-Reflective Neutral Density Filter; OD 1.3 NIR 400-700nm

The 63-391 is a Neutral Density Filter with a diameter of 25 mm, sourced from the reputable optical vendor, Edmund Optics. This filter is designed to reduce the intensity of light without altering its color composition, making it an essential tool for various optical applications.

The filter boasts a non-reflective coating, which minimizes surface reflections, thereby enhancing transmission and image quality. Its base shape is circular, and it is fabricated from UVFS Mal-1965 material, ensuring durability and reliability. The filter's geometry includes a thickness of 1.5 mm, contributing to its structural integrity.

The coating on both the front and back surfaces of the filter is EDM 63-381, further enhancing its performance by reducing reflections and increasing transmission. The filter's shape is thin lens, which is beneficial for applications requiring minimal optical path length distortion.

The filter is designed to operate at a wavelength of 588 nm, and it is currently in stock, as indicated by its weblink status. For more detailed information, users are encouraged to visit the vendor's website using the provided weblink.