The 69-493 is a Plano-Convex spherical lens, boasting a 12.0mm diameter and a focal length of 84.0mm, specifically designed for use with a 785nm 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 the high-quality material, n-BK7 Schott, which is renowned for its excellent optical properties. The front and back surfaces of the lens are coated with the advanced EDM Las V-Coat 785, further enhancing its performance and durability.
The geometry of the lens is meticulously designed, with a thickness of 2.08mm at the edge and 2.5mm at the center. The lens's effective focal length (EFL) is 84mm, and its radius of curvature (R1) is 43.43mm. The back focal length (BFL) is 82.39mm, and both the inner and outer radii are 0mm.
This lens is a versatile and reliable choice for various applications, thanks to its superior quality and precise specifications. Its detailed parameters and high-quality construction make it an excellent option for users in need of a 785nm wavelength lens.