MFND-52-1 52 mm Dia. Mounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm

The MFND-52-1 is a Neutral Density Filter, specifically designed for use in the visible light spectrum, with a wavelength of 550nm. This filter is manufactured by OptoSigma, a renowned vendor in the optical industry, and is available for purchase on their official website. The filter is currently in stock, as indicated by its weblink status.

The filter is mounted and has a base shape of a circle, with a diameter of 52mm. It features a thickness of 2mm, providing a robust and stable platform for optical applications. The material used for this filter is N-BK7 Schott, a high-quality borosilicate glass known for its excellent optical properties, including low auto-fluorescence, high damage threshold, and superior homogeneity.

The filter is coated on both the front and back with Opt FND-1, a reflective neutral density coating. This coating is designed to reduce the intensity of light without altering its color balance, making it ideal for applications where precise light control is required. The shape of the filter is thin lens, further enhancing its usability in various optical setups.