86-081 50 mm Dia. Hard Coated High Performance OD 4.0 Longpass Filter; t=5 mm 975nm

The 86-081 is a high-performance longpass filter, boasting a 50 mm diameter and a thickness of 5 mm, sourced from the renowned optical vendor, Edmund Optics. This filter is designed with a hard coating, enhancing its durability and longevity, making it an ideal choice for various optical applications.

The filter is specifically cut on 975nm, indicating that it allows light of wavelengths equal to or greater than 975nm to pass through while blocking shorter wavelengths. This feature makes it particularly suitable for applications that require the isolation of infrared light.

The 86-081 filter is coated on both the front and back with EDM 86-065, a coating type known for its high performance. This coating ensures optimal light transmission and minimal reflection, further enhancing the filter's efficiency and effectiveness.

The filter's geometry is defined by a thin lens shape, which contributes to its high performance and versatility. The provided catalog number and weblinks facilitate easy access to additional information and purchasing options, making the selection process straightforward and efficient.