87-199 25 mm Dia. Infrared (IR) Neutral Density Filter; OD 1.3 2-14µm

The 87-199 is a 25 mm diameter Infrared (IR) Neutral Density Filter, specifically designed for use in the infrared spectrum with an Optical Density (OD) of 1.3, covering a wavelength range of 2-14µm. This filter is sourced from the renowned optical vendor, Edmund Optics, and is available for purchase through their website.

This circular filter is made from Germanium Burnett, a material known for its excellent transmission properties in the infrared region. The filter features a thin lens shape, ensuring minimal distortion and a compact design, making it an ideal choice for various applications.

The 87-199 filter boasts a front and back coating of EDm 12-013, providing enhanced durability and resistance to environmental factors, ensuring longevity and reliable performance. The filter's 1 mm thickness contributes to its robustness while maintaining a low profile, making it suitable for use in systems with limited space.