The MAN-30-1 is a Neutral Density Filter, specifically an Absorptive Neutral Density Filter, designed for use in the visible light spectrum (400-700nm). This filter is manufactured by OptoSigma, a leading vendor in the optical industry, and is available for purchase through their website.
The filter is circular in shape with a diameter of 30mm and a thickness of 2mm, making it a compact and versatile option for various optical applications. The base shape of the filter is a Thin Lens, which is designed to minimize optical aberrations and distortions.
The filter's coating is another notable feature. Both the front and back surfaces of the filter are coated with Opt and-01, a coating that enhances the filter's performance and durability. This coating helps to reduce reflections and increase transmission, making it ideal for use in high-precision optical systems.
The catalog number for this filter is MAN-30-1, and it is currently in stock on the OptoSigma website. The link provided leads directly to the product page, where you can find more detailed information about the filter, as well as purchasing options.