NDUV205B 50 mm x 50 mm UVFS Reflective ND Filter; OD 0.5

The NDUV205B is a Neutral Density Filter from Thorlabs, designed with a rectangular base shape and a compact geometry of 50 mm in width and 50 mm in height. This filter boasts a thickness of 2 mm, making it a slim and lightweight addition to any optical system.

The filter is constructed from UVFS material, identified by the catalog number MAL-1965. This material is specifically designed for use in the ultraviolet region, making it ideal for applications that require precise control of UV light.

The NDUV205B features a front and back coating of tho nduv od05. This coating is a specialized neutral density coating that reduces the intensity of light without altering its color balance. The coating has an Optical Density (OD) of 0.5, which means it reduces the light intensity by a factor of 10^0.5, or approximately 31.62%.

The filter's shape is classified as a Thin Lens, indicating that it has been designed to minimize optical aberrations and distortions. This makes it suitable for use in high-precision applications where image quality is paramount.

The NDUV205B is currently in stock and available for purchase through the Thorlabs website. For more information, please refer to the provided weblink.