This is a G063164400 31.5 mm diameter UVFS mounted double-convex lens, with a focal length (EFL) of 60mm, sourced from Qioptiq Photonics. The lens is spherical in shape, featuring a base shape of a circle, and is made of UVFS material with the Mal-1965 ID.
The lens has a front and back coating of Qio Silver RAGV 45, ensuring optimal performance in the specified wavelength of 355nm. The geometry of the lens includes a thickness of 2mm at the edge and 6.2mm at the center. The radii of curvature are R1 = 59.996mm and R2 = -59.996mm. The lens does not have an inner or outer radius.
The lens is currently in stock and available for purchase on the Qioptiq Photonics website, as per the weblink provided. This lens is a symmetric convex-convex singlet, mounted and fused silica, making it suitable for a wide range of optical applications.