The 38-731 is a laser grade plano-convex lens, boasting a diameter of 25.4mm and a focal length of 500mm. This lens is designed for use with a wavelength of 1064nm, and features a front and back coating of edm las v-coat 1064 for optimal performance.
The lens is spherical in shape, with a base shape of circular. The geometry of the lens is precise, with a thickness at the edge of 3.63mm and a thickness at the center of 4mm. The effective focal length (EFL) is 500mm, and the radius of curvature (R1) is 238.04mm. The back focal length (BFL) is 497.44mm, and both the inner and outer radii are 0mm.
This lens is sourced from Edmund Optics, a reputable vendor in the optical industry. The item is currently in stock and available for purchase, as indicated by the valid weblink status. For more information, including pricing and availability, please refer to the provided weblink.