The G311209331 is a 22.4 mm diameter Double-Convex Lens, manufactured by Qioptiq Photonics. This lens, designed for use with a wavelength of 355 nm, is made from UVFS material with the Mal-1965 identification. The lens features a front and back coating of Qio AL RALVIS AOI 45, providing enhanced durability and performance.
The lens's geometry is characterized by its symmetrical convex shape, with a center thickness of 4.2 mm and an edge thickness of 1.6 mm. The effective focal length (EFL) of this lens is 50 mm, making it suitable for a variety of optical applications. The lens's inner and outer radii are 0, indicating a uniform curvature throughout.
This lens is available for purchase from the Qioptiq Photonics website, where it is listed as in stock. The product link is provided in the item data for easy access and purchasing.