The 13-220 is a Neutral Density Filter by Hoya, sourced from the reputable optical components vendor, Edmund Optics. This filter is designed with a circular shape and a 12.5 mm diameter, making it suitable for a wide range of optical applications. It boasts a thickness of 2.5 mm, ensuring durability and precision.
The filter is coated with EDM 13-220 on both the front and back surfaces, contributing to its functionality and performance. This coating is specifically designed for the near-infrared (NIR) II region, covering the wavelength range of 750-1550nm. The filter has an Optical Density (OD) of 0.3, which translates to a transmission of 50%. This makes it ideal for applications requiring moderate light reduction.
The filter is designed in the shape of a thin lens, optimizing its optical performance. It is currently in stock and available for purchase through the Edmund Optics website, as indicated by its weblink status. For more detailed information, users are encouraged to visit the provided weblink.