The 43-940 is a rectangular color glass filter, measuring 50.8 x 50.8 mm, manufactured by Edmund Optics. This filter is designed to transmit light within the wavelength range of 400-700nm, making it suitable for a wide range of optical applications. The filter is made from UVFS MAL-1965, a specific type of optical cast plastic material, which is known for its durability and optical clarity.
The filter features a thickness of 1.5mm, which provides sufficient structural integrity while minimizing optical distortion. The front and back surfaces of the filter are coated with EDM 43-936, a coating that enhances the filter's performance and durability. The shape of the filter is thin lens, which is optimal for applications that require minimal thickness and weight.
The 43-940 filter is currently in stock and available for purchase through the Edmund Optics website. The filter's catalog number is 43-940, and it can be found at the following weblink: https://www.edmundoptics.com/p/2quot-x-2quot-blue-optical-cast-plastic-filter/5409/. This filter is a versatile and reliable option for anyone in need of a high-quality optical filter within the specified wavelength range.