The 110-1205E is a Plano-Convex lens, a type of spherical lens, sourced from EKSMA Optics. This lens is characterized by its circular base shape and uncoated surface. The lens has a diameter of 25.4 mm and a thickness at the edge of 2.3 mm, while the center thickness is 6 mm. The effective focal length (EFL) of this lens is 50 mm, and the radius of curvature (R1) is 23.8 mm. The lens is made from UVFS MAL-1965 material, optimized for use with a wavelength of 355 nm. The lens does not have any coating, which can be a consideration depending on the specific application. The lens is currently in stock and available for purchase, with more information available at the provided weblink.