OptoSigma's AND-50C-13 is a high-quality Neutral Density Filter, designed for use in the visible light spectrum, specifically between 400-700nm. This filter is unmounted, offering flexibility for integration into various optical systems.
The filter boasts a circular shape with a diameter of 50mm and a thickness of 2mm, making it compatible with a wide range of optical components. Its neutral density properties are achieved through an absorptive coating, denoted as 'opt and-13' on both the front and back surfaces. This coating is applied using the UVFS MAL-1965 material, ensuring reliable and consistent performance.
The filter's geometry is designed in the shape of a thin lens, optimized for minimal distortion and maximum light transmission. The catalog number AND-50C-13 uniquely identifies this product, and it can be found on the OptoSigma website, where it is currently in stock.