This is a G052122329 12.5 mm Dia. UVFS Mounted Plano-Convex Lens, specifically designed for use with a wavelength of 355nm. The lens is sourced from the reputable vendor Qioptiq Photonics, and it is currently in stock, as indicated by its weblink status.
The lens is of the Spherical Lens (Plano-Convex) subtype, with a base shape of Circular. It has a diameter of 12.5mm and a thickness edge of 1.3mm, while its thickness center measures 3.5mm. The effective focal length (EFL) of this lens is 20mm. The inner radius is 0, and the outer radius is also 0.
The lens is made from UVFS material, specifically identified as UVFS Mal- 1965. It features a coating on both the front and back, namely Qio HP Nbar Arhs-Yag. This coating enhances the lens's performance and durability, making it suitable for a wide range of applications.
Please note that the lens's shape is spherical, and it is mounted in a UVFS mount. This information, along with the detailed specifications provided, should help you in your selection process.