NDUV2R05B Dia. 50 mm Unmounted UVFS Reflective ND Filter; OD 0.5

The NDUV2R05B is a Neutral Density Filter with a diameter of 50 mm, manufactured by Thorlabs. This unmounted filter is designed with a thin lens shape and a thickness of 2 mm, making it a compact and convenient option for various optical applications.

The filter's primary function is to reduce the intensity of incident light without altering its color composition. This is achieved through the application of a UVFS reflective coating, specifically the THORNDUV OD0.5 coating, on both the front and back surfaces. This coating is designed to provide a neutral density of 0.5 (OD 0.5), which corresponds to a 70.71% transmission of light.

The catalog number NDUV2R05B can be used to directly access the product's page on Thorlabs' website, ensuring easy access to additional information or purchasing options. The current status of the filter, as per the provided data, is 'Valid - in stock', indicating its availability for immediate use or acquisition.