The MAN-52-30 is a Neutral Density Filter, specifically designed for use in the visible light spectrum, between 400-700nm. This filter is manufactured by OptoSigma, a renowned vendor in the optical industry, and is available for purchase through their website. The catalog number for this product is MAN-52-30.
This filter is of the Absorptive type, meaning it reduces the intensity of light by absorbing it, rather than reflecting or scattering it. The absorptive nature of this filter makes it ideal for applications where minimal reflection is required.
The filter is circular in shape, with a diameter of 52mm and a thickness of 2mm. This size and shape make it compatible with a wide range of optical systems. The filter is mounted on optical glass, providing added durability and protection.
The front and back of the filter are coated with 'opt and-30', a coating that enhances the filter's performance and longevity. The shape of the filter is thin lens, further contributing to its compatibility with various optical systems.