This is the FS-px-38.1-152, a 38.1 mm diameter Plano-Convex lens made of UVFS material, sourced from Alkor Technologies. The lens is uncoated and features an effective focal length (EFL) of 152.4mm, making it suitable for a wide range of optical applications.
The lens's geometry includes a 1.5mm thickness at the edge and a 4.1mm thickness at the center. The inner radius is 0mm, and the outer radius is also 0mm, indicating a plano surface on one side and a curved surface on the other. The curvature of the curved surface is defined by a radius of 70.15mm.
The lens is designed to work with a wavelength of 587.6nm, and its material ID is UVFS Mal-1965. This specific lens is currently in stock and can be purchased directly from the vendor's website, as provided in the weblinks section of the item data.