This is a high-quality Plano-Convex lens from Qioptiq Photonics, designed for use in the visible light spectrum, specifically between 450-700nm. The lens has a diameter of 31.5mm and a focal length (EFL) of 500mm, making it suitable for a wide range of optical applications.
The lens is made from N-BK7, a popular optical glass known for its excellent optical properties. The front and back surfaces of the lens are coated with Qio Bbar Arb2visnbk7, a broadband anti-reflection coating designed to reduce surface reflections and improve transmission in the visible spectrum.
The lens has a spherical shape, with a center thickness of 2.5mm and an edge thickness of 2mm. The inner radius is 0mm, and the outer radius is also 0mm, indicating a plano surface on one side and a curved surface on the other. The curvature of the curved surface is specified by a radius of 259.476mm.
This lens is mounted, making it ready for immediate use in your optical system. The item data indicates that this product is in stock and available for purchase, and the vendor's website provides further information and specifications.