The 84-280 is a 15mm diameter x 60mm focal length uncoated, UV plano-convex lens, available from Edmund Optics. This lens is a spherical lens with a base shape of a circle and a sub-type of plano-convex. The lens's geometry includes a diameter of 15mm, a thickness at the edge of 1.96mm, and a thickness at the center of 3mm. The effective focal length (EFL) is 60mm, with a radius of curvature (R1) of 27.51mm and a back focal length (BFL) of 57.94mm.
The lens is made of fused silica, identified as mal-1965 in the material ID. It is designed to operate at a wavelength of 587.6nm. The lens does not have any coating, as indicated in the coating parameter. This lens is currently in stock, as per the weblink status.
For more information, please refer to the vendor's website using the provided weblink.