This is the 585FAP550400, a Longpass Filter from Knight Optical with a size of 400 x 550 mm. The filter is designed to cut on at 585nm and cut off at 2200nm, making it ideal for applications that require long-pass filtration.
The filter is made of acrylic color material, specifically UVFS MAL-1965, and has a thickness of 1mm. It features a thin lens shape and is coated with KNI 585FAP on both the front and back. The filter is currently in stock and available for purchase on Knight Optical's website.
This filter is a rectangular shape, making it suitable for a wide range of optical applications. The KNI 585FAP coating ensures high-quality performance and durability. The filter's dimensions and material make it a robust and reliable choice for long-pass filtration.
For more information, you can visit Knight Optical's website using the provided weblink. The catalog number for this item is 585FAP550400.