89-669 12.5 mm Dia. Hard Coated High Performance OD 4.0 Shortpass Filter; t=3 mm 1150nm

The 89-669 is a high-performance shortpass filter, designed and manufactured by Edmund Optics, a leading global supplier of optical components. This filter boasts a 12.5 mm diameter and a thickness of 3 mm, making it a robust and compact solution for various optical applications.

The filter is specifically designed to cut off wavelengths at 1150 nm, while allowing shorter wavelengths to pass through. This characteristic makes it ideal for applications where the removal of infrared light is crucial. The cut-on wavelength is 0 nm, further emphasizing its effectiveness in blocking infrared light.

The 89-669 filter features a hard coating on both the front and back surfaces, enhancing its durability and resistance to wear and tear. This coating also helps to reduce surface reflections, improving the overall efficiency and performance of the filter.

The filter's shape is classified as a Thin Lens, indicating its suitability for use in lens systems. It is available from Edmund Optics, and the provided weblink provides direct access to its product page, where users can find more detailed information, including pricing and availability.