The 49-486 is a high-quality double-convex lens, 18mm in diameter and 36mm in focal length, designed for use in the near-infrared spectrum. This lens is sourced from Edmund Optics, a leading provider of optical components, and is available for immediate purchase.
The lens is made from n-BK7 Schott, a widely used optical glass known for its excellent optical properties. It features a double-convex geometry, with radii of curvature of 36.6mm and -36.6mm, respectively. This geometry provides a large numerical aperture, making it suitable for a wide range of applications.
The lens has an effective focal length of 36mm and a back focal length of 34.59mm. The edge thickness is 2.55mm, while the center thickness is 4.8mm. The lens is coated with Edmund Optics' NIR I standard curve coating on both the front and back surfaces, enhancing its performance in the near-infrared spectrum (600-1050nm).
This lens is a versatile and reliable choice for applications in the near-infrared spectrum. Its high-quality construction, coupled with its excellent optical properties, make it an ideal choice for a wide range of optical systems.