The 48-029 is a UV Plano-Convex Lens, 12mm in diameter and 25mm in focal length, offered by Edmund Optics. This lens is designed for use with ultraviolet light, with a wavelength of 587.6nm, and is coated with UV-AR coatings on both the front and back surfaces.
The lens geometry features a diameter of 12mm, with a center thickness of 3.92mm and an edge thickness of 2.22mm. The front surface has a radius of curvature of 11.46mm, resulting in a back focal length of 22.31mm. The lens is spherical in shape and made from fused silica, specifically the material mal-1965.
The UV-AR coatings on both surfaces are standard curve coatings from Edmund Optics, designed to enhance the lens's performance in the ultraviolet range of 250-425nm. The lens is in stock and available for immediate purchase through the provided weblink.