NE505A Dia. 0.5 in Absorptive ND Filter; SM05-Threaded Mount; Optical Density 0.5

The NE505A is a Neutral Density (ND) Filter, offered by Thorlabs, with a catalog number NE505A. This filter is designed to reduce the intensity of incident light without altering its color composition, making it an essential tool in various optical applications.

The filter boasts a circular shape, with a diameter of 12.7 mm and a thickness of 0.9 mm, providing a compact and robust design. It is made from n-bk7 Schott, a high-quality optical glass, ensuring excellent optical performance.

The NE505A filter features a Thin Lens shape, which is specifically designed to minimize optical aberrations and distortions. This feature is crucial in applications that require high precision and accuracy.

The filter's coating is another notable feature. Both the front and back surfaces are coated with tho ne05a, a specialized coating that enhances the filter's performance by reducing reflection and increasing transmission. This coating ensures optimal light transmission and reduces the risk of unwanted reflections.

The NE505A filter is SM05-threaded, allowing it to be easily mounted and integrated into various optical systems. The weblink status indicates that it is currently in stock, making it readily available for immediate use.