The LA1301-AB is a 50.8 mm diameter Plano-Convex lens made from N-BK7 Schott glass, sourced from Thorlabs. This lens is designed for use within a broad wavelength range of 400-1100nm, with a center wavelength of 587.6nm. The lens features an effective focal length (EFL) of 249.2mm, making it suitable for a variety of optical applications.
The lens geometry includes a 3mm thickness at the edge and a 5.5mm thickness at the center. The front and back surfaces of the lens are coated with THo AB BAR, providing anti-reflection properties. The lens's shape is spherical, with a 128.8mm radius of curvature (R1) on the curved surface. The inner and outer radii are both 0mm, indicating a uniform curvature.
This lens is a Spherical Lens (Plano-Convex) type, featuring a Circular base shape. The weblink provided leads to the product page on Thorlabs' official website, where users can find more information about the lens, including its current availability and pricing.