OptoSigma's FNDU-30C02-50 is a 30 mm diameter, unmounted Reflective Neutral Density Filter, designed for use in the ultraviolet spectrum, specifically between 200-400nm. This filter is part of the UVFS series, identified by the material ID "uvfs mal- 1965".
The filter is characterized by its thin geometry, with a diameter of 30mm and a thickness of 2mm, making it an ideal choice for applications where space is a constraint. The front and back surfaces of the filter are coated with "opt fndu-50", a coating specifically designed for neutral density filters, ensuring high-quality performance and durability.
The filter's shape is described as a Thin Lens, indicating its suitability for use in optical systems where minimal distortion and high light transmission are required. The filter is currently in stock and available for purchase through the vendor's website, with the weblink provided in the item data for convenience.