This is a G063320329 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 fused silica (UVFS). It has a base shape of a circle, with a diameter of 22.4 mm.
The lens has a center thickness of 3.7 mm and an edge thickness of 1.6 mm. The effective focal length (EFL) of this lens is 60 mm, making it suitable for a variety of optical applications. The inner and outer radii of the lens are 0, and the front and back surfaces of the lens are coated with Qio HP Nbar Arhs-Yag, providing excellent optical performance.
The lens is designed to operate at a wavelength of 355 nm. The item data also indicates that this lens is in stock and available for immediate purchase. For more detailed information, you can refer to the vendor's website through the provided weblink.