The 63-604 is a high-quality double-convex lens, boasting a 10mm diameter and a focal length of 40mm. This lens is sourced from the reputable vendor, Edmund Optics, and is available for immediate purchase, as indicated by its valid in-stock weblink status.
The lens is constructed from the esteemed material, n-BK7 Schott, a borosilicate crown glass known for its excellent optical properties. The base shape of the lens is circular, and it features a standard curve coating on both the front and back surfaces, enhancing its transmission capabilities within the visible spectrum (425-675nm).
The geometry of the lens is meticulously designed, with an edge thickness of 1.89mm and a center thickness of 2.5mm. The effective focal length (EFL) is 40mm, while the back focal length (BFL) is 39.16mm. The first radius of curvature (R1) is 40.91mm, and the second radius of curvature (R2) is -40.91mm. The inner and outer radii are both zero.
This lens is a Spherical type, specifically a Spherical Lens (Convex-Convex), making it suitable for a wide range of optical applications. Its robust construction, coupled with its superior optical properties, makes it an ideal choice for users in need of a reliable and efficient lens.