This is a G063323329 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, also known as UVFS. The lens has a base shape of a circle and a diameter of 22.4 mm.
The lens's edge thickness is 1.6 mm, while the center thickness is 2.2 mm. It has an effective focal length (EFL) of 200 mm and a radius of curvature of 199.53 mm for both the front and back surfaces. The lens does not have an inner or outer radius.
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 lens's front and back surfaces are coated with "qio hp nbar arhs-yag".
According to the vendor's website, this lens is in stock and available for purchase. The link to the product page is provided for your convenience.