FNDU-30C02-30 30 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm

The FNDU-30C02-30 is a 30 mm diameter, unmounted Neutral Density Filter, sourced from the renowned optical component manufacturer, OptoSigma. This filter is designed for use in the ultraviolet spectrum, specifically between 200 and 400 nanometers, making it ideal for applications requiring precise control over UV light.

The filter is constructed from UVFS, a material with a refractive index of 1.965, and has a thickness of 2mm. This combination ensures excellent light transmission while maintaining the filter's structural integrity. The filter's circular shape allows for easy integration into various optical systems.

The FNDU-30C02-30 features a front and back coating of 'opt fndu-30', which enhances its performance and durability. This coating helps to reduce surface reflections, increasing the filter's efficiency and ensuring optimal light transmission. The filter's thin lens shape further contributes to its ease of use and integration into optical systems.

According to the vendor, this item is currently in stock and can be purchased directly from the OptoSigma website using the provided weblink. The item's catalog number, FNDU-30C02-30, can be used for easy identification and reference.