The 65-451 is a Plano-Convex spherical lens, boasting a 6.0mm diameter and a focal length of 18.0mm, specifically designed for use with a 405nm wavelength. This lens is sourced from the reputable optical vendor, Edmund Optics, and is currently in stock, as indicated by its weblink status.
The lens is made from n-BK7 Schott, a high-quality optical glass, and features a Las V-Coat 405nm coating on both the front and back surfaces. This coating enhances the lens's performance in laser applications, providing improved durability and efficiency.
The geometry of the lens is meticulously designed, with a center thickness of 1.42mm and an edge thickness of 0.9mm. The lens's inner and outer radii are both zero, indicating a uniform curvature. The back focal length (BFL) is 17.07mm, and the effective focal length (EFL) is 18mm, providing a focused, clear image.