The 49-875 is a Plano-Convex lens with a 9.0mm diameter and a focal length of 12.0mm. This lens, sourced from Edmund Optics, is uncoated and features a spherical shape. The lens's geometry includes a thickness edge of 1.36mm and a thickness center of 2.5mm. The effective focal length (EFL) is 12mm, and the radius of curvature (R1) is 9.42mm. The back focal length (BFL) is 10.6mm, and both the inner and outer radii are 0mm.
This lens is made of n-SF11 Schott material, which is well-suited for various applications due to its high Abbe number and low dispersion. The lens is designed to work with a wavelength of 587.6nm. The lens's base shape is circular, and it does not have any coating, which means it is in its raw state and can be customized according to specific needs.
Please note that the lens is currently in stock, and you can find more information, including pricing and availability, on the Edmund Optics website using the provided weblink.