47-829 12.5 mm Dia. NIR Metallic Based Neutral Density Filter; OD 1.5 700-1100nm

The 47-829 is a Neutral Density Filter with a 12.5 mm diameter and a thickness of 1.5 mm, sourced from the reputable vendor, Edmund Optics. This filter is designed for use in the Near-Infrared (NIR) spectrum, specifically within the wavelength range of 700-1100nm.

The filter boasts a Metallic Based coating on both the front and back surfaces, identified by the coating code 'edm 47-829'. This coating is instrumental in achieving the filter's primary function, which is to reduce the intensity of incident light without altering its color composition. The Optical Density (OD) of 1.5 further attests to the filter's ability to attenuate light, indicating a transmission of approximately 3.16%.

The filter's geometry is defined by its circular shape and thin lens design, making it suitable for a wide range of optical applications. The catalog number 47-829 serves as a unique identifier for this specific filter, aiding in its identification and selection.

According to the vendor's website, the filter is currently in stock, ensuring prompt availability for your optical needs. For more detailed information, you can refer to the vendor's website using the provided weblink.