The 46-423 is a 25.4 mm diameter circular filter from Edmund Optics, designed for longpass applications with a cut-on wavelength of 400nm. This filter is made of SCHOTT GG400, a high-quality color glass material, and features a thickness of 3mm. The 46-423 filter is designed to transmit light with a wavelength of 400nm and above, while blocking light with a shorter wavelength.
This filter is coated on both sides with EDM 46-422, a proprietary coating developed by Edmund Optics. This coating enhances the filter's performance and durability, providing excellent optical quality and resistance to environmental factors. The 46-423 filter is shaped as a thin lens, making it suitable for use in a wide range of optical systems.
According to the vendor's information, the 46-423 filter is currently in stock and available for immediate shipping. The filter's catalog number is 46-423, and it can be found on the Edmund Optics website at https://www.edmundoptics.com/p/gg-400-254mm-dia-longpass-filter/6854/.