MFND-25-60 25 mm Dia. Mounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm

The MFND-25-60 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 leading vendor in the optical industry, and is available for purchase on their official website. The catalog number for this product is MFND-25-60.

This filter is mounted and features a circular shape with a diameter of 25mm and a thickness of 2mm. The material used for the filter is N-BK7, a type of glass manufactured by Schott, which is known for its excellent optical properties.

The filter is coated on both the front and back with the Opt FND-60 coating. This coating is designed to provide a high level of neutral density, which reduces the intensity of light without altering its color. The coating is thin, allowing for minimal interference with the light path.

The shape of the filter is described as a Thin Lens, which suggests that it is designed to minimize optical aberrations and distortions. This makes it an ideal choice for applications that require high precision and accuracy.

According to the vendor's website, the filter is currently in stock, indicating that it is readily available for purchase and delivery.