The 89-660 is a high-performance longpass filter, boasting a 12.5 mm diameter and a thickness of 3 mm. This filter, sourced from Edmund Optics, is designed to transmit light with wavelengths above 1300 nm, making it ideal for applications that require the blocking of shorter wavelengths.
The filter features a circular base shape and is constructed from UVFS Mal-1965 material. It is coated on both the front and back with EDM 89-660, enhancing its durability and performance. The 89-660 filter is designed to be used with thin lenses, making it a versatile choice for a variety of optical setups.
The 89-660 filter is currently in stock and available for purchase through the Edmund Optics website. For more detailed information, including technical specifications and performance data, please refer to the product page on the Edmund Optics website.