62-680 50 mm Dia. NIR Metallic Based Neutral Density Filter; OD 2.5 700-1100nm

The 62-680 is a Neutral Density Filter with a 50 mm diameter, sourced from the reputable optical vendor, Edmund Optics. This filter is specifically designed for use in the Near-Infrared (NIR) spectrum, with a wavelength of 588 nm.

The filter boasts a high Optical Density (OD) of 2.5, which is ideal for applications requiring significant light reduction. It is effective within the 700-1100nm wavelength range, making it suitable for a variety of NIR-based applications.

The filter is constructed from UVFS Mal-1965, a material known for its durability and optical clarity. It features a Thin Lens shape, which is beneficial in reducing optical aberrations and improving overall image quality.

Both the front and back surfaces of the filter are coated with EDM 47-831, a coating that enhances the filter's performance and durability. This coating helps to reduce surface reflections and increase transmission, ensuring optimal performance in a wide range of conditions.

The filter's geometry includes a diameter of 50 mm and a thickness of 5 mm, making it compatible with a wide range of optical systems. It is currently in stock and available for purchase through the Edmund Optics website.