The 69-393 is a Plano-Convex spherical lens, boasting a 12.0mm diameter and a focal length of 84.0mm, specifically designed for use with a 532nm 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's geometry is characterized by its diameter, thickness edge, and thickness center. The diameter measures 12.0mm, while the thickness edge is 2.08mm and the thickness center is 2.5mm. The effective focal length (EFL) is 84.0mm, and the radius of curvature (R1) is 43.43mm. The back focal length (BFL) is 82.39mm, and both the inner and outer radii are 0mm.
The lens is made from n-BK7 Schott, a popular material in the optical industry due to its excellent optical properties. The lens's coating is a laser V-coat, specifically designed for 532nm, which enhances its performance and durability.