The 87-928 is a laser grade plano-convex lens, boasting a 6mm diameter and a 12mm focal length, specifically designed for use with a 266nm wavelength. This lens is sourced from the reputable vendor, Edmund Optics, and is currently in stock, as indicated by its weblink status.
The lens is spherical in shape, with a base shape of circular. It features a planar front surface and a convex rear surface, with a 5.5mm radius. The lens has an inner radius of 0 and an outer radius of 0, indicating a uniform curvature. The center thickness of the lens is 2mm, while the edge thickness is 1.11mm, providing a robust structure.
The lens is made from fused sil mal-1965, a material known for its excellent optical properties. It is coated with edm las v-coat 266 on both the front and back surfaces, enhancing its performance in laser applications. The effective focal length (EFL) of the lens is 12mm, and the back focal length (BFL) is 10.63mm, offering a focused and precise beam.