This is a high-quality spherical lens, specifically a symmetric convex-convex lens, sourced from Qioptiq Photonics. It boasts a base shape of a circle and is mounted with UVFS. The lens has a diameter of 31.5 mm and a thickness at the edge of 2.1 mm, while the center thickness is 4.1 mm. The effective focal length (EFL) of this lens is 120 mm, and it is designed to operate within the wavelength range of 355 nm.
The lens is made from UVFS material with the ID 1965. It features a front and back coating of Qio Bbar Arb2nirnbk7, providing excellent optical performance. The inner and outer radii of the lens are 0, indicating a symmetrical design. This lens is currently in stock and available for purchase through the provided weblink.