This is a G063030525 model lens from Qioptiq Photonics, a renowned vendor in the field of precision optics. The lens is spherical in shape, specifically a symmetric convex-convex lens, and is mounted on UVFS (Ultra-Violet Fused Silica). The base shape is circular with a diameter of 22.4 mm.
The lens has a center thickness of 7 mm and an edge thickness of 1.6 mm. The effective focal length (EFL) is 25 mm. The first radius of curvature (R1) is 24.406 mm, and the second radius of curvature (R2) is -24.406 mm, indicating a double-convex lens. The inner and outer radii are 0 mm each.
The lens is made of UVFS material with the ID "uvfs mal- 1965". It is designed to operate at a wavelength of 355 nm. The front and back of the lens are coated with "qio bbar arb2nirnbk7", a coating type not specified in the data.
This lens is currently in stock and available for purchase on the Qioptiq Photonics website. For more information and detailed specifications, users are encouraged to visit the provided weblink.