This is a Plano-Convex lens, type 62-591-INK, sourced from the renowned optical vendor, Edmund Optics. The lens boasts a circular base shape with a diameter of 12.7mm and a thickness of 1.72mm at the edge, increasing to 4mm at the center. The effective focal length (EFL) is 12.7mm, and the radius of curvature (R1) is 9.97mm. The back focal length (BFL) is 10.46mm.
The lens is made from the high-quality material n-SF11 Schott, which is known for its excellent optical properties. The lens is coated with a VIS-NIR coating, specifically the EDM VISNIR0SP2002000 coating, on both the front and back surfaces. This coating enhances the lens's performance in the visible to near-infrared spectrum, which spans from 400 to 1000nm.
This lens is a great choice for applications that require a compact, high-performance lens in the visible to near-infrared range. It is currently in stock, as indicated by its valid weblink status, making it readily available for your optical needs.