The 69-559 is a Plano-Convex Spherical Lens, a high-quality optical component designed for use in laser systems operating at a wavelength of 980nm. This lens is sourced from the renowned optical vendor, Edmund Optics, and is available for immediate use, as indicated by its "in stock" status on the vendor's website.
The lens features a circular base shape with a diameter of 12.0mm and a center thickness of 70.42mm. The edge thickness is 1.79mm, and the lens has an effective focal length (EFL) of 72.0mm. The front and back surfaces of the lens are coated with Edmund Optics' Laser V-Coat 980, a specialized coating designed to enhance the lens' performance in laser applications.
The lens is made from n-BK7 Schott, a popular optical material known for its excellent optical properties and wide transmission range. The lens' geometry, including its inner and outer radii, is optimized for use in laser systems, making it an ideal choice for users seeking a high-performance lens for their 980nm laser applications.