This 48-314 model is a UV-AR coated, UV double-convex lens, boasting a 25mm diameter and a focal length of 500mm. The lens is sourced from the reputable vendor, Edmund Optics, and is currently in stock, as indicated by its weblink status.
The lens is designed with a spherical shape, featuring a base shape of a circle. Its geometry includes a thickness edge of 3.01 and a thickness center of 3.35. The effective focal length (EFL) is 500, and the back focal length (BFL) is 498.85. The first radius of curvature (R1) is 457.93, while the second radius of curvature (R2) is -457.93, indicating a double-convex design.
The lens is constructed from fused silica material, identified as fused sil mal-1965 in the item data. The coating on both the front and back surfaces of the lens follows the edm uv std curve, providing UV-AR protection within the wavelength range of 250-425nm.