84-749 50 mm Dia. Hard Coated High Performance OD 4.0 Longpass Filter; t=5 mm 475nm

The 84-749 is a high-performance longpass filter, boasting a 50 mm diameter and a thickness of 5 mm, sourced from the reputable vendor Edmund Optics. This filter is designed with a cut-on wavelength of 475 nm, making it ideal for applications that require the transmission of longer wavelengths while blocking shorter ones.

The filter's construction adheres to the circular base shape, ensuring uniformity and consistency in its application. It is made from UVFS Mal-1965 material, a choice that enhances its durability and performance in various settings. The 84-749 filter is coated on both the front and back with EDM 84-737, a hard coating that further bolsters its resilience and longevity.

The geometry of this filter is optimized for thin lens applications, making it a versatile choice for a wide range of optical setups. The physical data of the 84-749 filter indicates a cut-off wavelength of 0 nm, underscoring its effectiveness as a longpass filter.

For users seeking a reliable and high-performing longpass filter, the 84-749, with its robust construction, precise wavelength specifications, and vendor reputation, is a compelling choice.