The 66-078 is a 50 mm diameter color glass filter manufactured by SCHOTT, a renowned name in the optical industry. This filter is specifically designed for longpass applications, with a cut-on wavelength of 400nm.
The filter features a circular base shape and a thickness of 3mm, making it suitable for a wide range of optical applications. The material ID for this filter is UVFS MAL-1965, and it comes with a thin lens shape.
The 66-078 filter is coated with EDM 46-422 on both the front and back surfaces, enhancing its performance and durability. The physical data of the filter indicates a cut-on wavelength of 400nm and a cut-off wavelength of 0nm.
This filter is available from Edmund Optics and is currently in stock. For more information, you can refer to the product link provided: https://www.edmundoptics.com/p/gg-400-50mm-dia-longpass-filter/20610/