This is a 25.0mm diameter, 500.0mm focal length Plano-Convex lens, specifically designed for use with a 405nm wavelength and featuring a Laser V-Coat from Edmund Optics. The lens is sourced from the reputable vendor, Edmund Optics, and is currently in stock, as indicated by its weblink status.
The lens's geometry is characterized by a 2.9mm thickness at the edge, increasing slightly to 3.2mm at the center. The front surface has a radius of curvature of 258.4mm, resulting in a back focal length of 497.89mm. The lens is made from n-BK7 Schott, a popular material in optical applications due to its excellent optical properties.
The lens features a Laser V-Coat on both the front and back surfaces, specifically designed for use with a 405nm wavelength. This coating enhances the lens's performance in laser applications, providing improved transmission and reduced reflection.