This is a 67-173 Plano-Convex Lens, sourced from the renowned optical components vendor, Edmund Optics. The lens boasts a 9.0mm diameter and a focal length of 90.0mm, making it suitable for a wide range of applications.
The lens is made from N-BK7 Schott, a popular optical glass due to its excellent optical properties and versatility. It is coated with Edmund Optics' standard NIR-I coating on both the front and back surfaces, which enhances its performance in the near-infrared spectrum, specifically between 600-1050nm.
The geometry of the lens is characterized by a thickness of 1.78mm at the edge and 2.0mm at the center. The radius of curvature (R1) is 46.51mm, and the back focal length (BFL) is 88.68mm. The lens does not have an inner radius, and the outer radius is also 0, indicating a plano surface.
This lens is currently in stock, as indicated by its weblink status. For more detailed information, you can refer to the vendor's website through the provided weblink.