This is the G311714400, a 31.5 mm diameter UVFS Double-Convex Lens with an effective focal length (EFL) of 60mm. The lens is sourced from Qioptiq Photonics, a renowned vendor in the field of precision optics.
The lens is a Spherical Lens of the Sub Type Symmetric-Convex, featuring a Base Shape of Circular geometry. The lens's thickness at the edge is 2mm, while its center thickness is 6.2mm. The lens's front and back surfaces are coated with Qio Silver Ragv 45, providing optimal performance for the specified wavelength of 355nm.
The lens's first radius of curvature (R1) is 60mm, and its second radius of curvature (R2) is -60mm. The Inner Radius and Outer Radius are both 0mm. The lens material is UVFS Mal- 1965, which is known for its high-quality optical properties.
According to the vendor's website, the lens is currently in stock and can be purchased directly from the link provided in the item data. This lens is an excellent choice for applications that require a high-performance, double-convex lens with a specific focal length and diameter.