This is a Plano-Convex lens, a type of spherical lens, sourced from Edmund Optics. The lens has a base shape of a circle and a diameter of 25.4mm. The thickness at the edge of the lens is 2.19mm, while the thickness at the center is 4.75mm. The effective focal length (EFL) of the lens is 63.5mm, and the radius of curvature (R1) is 32.82mm. The back focal length (BFL) of the lens is 60.37mm.
The lens is made of N-BK7 Schott, a popular optical glass due to its excellent optical properties. The lens is coated with YAG-BBAR, a type of coating that enhances the lens's performance in the wavelength range of 500-1100nm. This coating is applied on both the front and back surfaces of the lens.
The item data indicates that this lens is in stock, and you can find more information about it on the Edmund Optics website using the provided weblink.