The FNDU-30C02-5 is a 30 mm diameter, unmounted Neutral Density Filter, sourced from the renowned optical component vendor, OptoSigma. This filter is designed for use in the ultraviolet spectrum, specifically for wavelengths between 200 and 400 nanometers.
The filter is constructed with a base shape of a circle, made from UVFS material, identified as "UVFS mal- 1965". It features a thickness of 2mm, providing durability and stability in its setup. The filter is coated with OptoSigma's proprietary FNDU-5 coating on both the front and back surfaces, enhancing its performance and longevity.
The FNDU-30C02-5 filter is designed in the shape of a thin lens, optimizing its optical characteristics for a wide range of applications. The filter is currently in stock and available for immediate purchase through the OptoSigma website, as indicated by its "Valid - in stock" web link status.