The LA4184-532 is a Plano-Convex Spherical Lens, part of Thorlabs' extensive catalog of optical elements. This lens boasts a diameter of 25.4 mm and an effective focal length (EFL) of 501.8 mm, making it suitable for a wide range of applications.
The lens is made from UVFS material with the Mal-1965 ID, and it is designed to work optimally with a wavelength of 587.6 nm. The front and back surfaces of the lens are coated with Thorlabs' V-AR-532 coating, which is specifically designed to reduce reflection at 532 nm.
The lens has a thickness of 2 mm at the edge and 2.4 mm at the center. The inner and outer radii are 0, indicating a plano-convex shape. The front surface of the lens has a radius of curvature of 230 mm.
This lens is available from Thorlabs, and the link provided leads to their product page, where you can find more information, including pricing and availability. The link's status is "Valid - in stock", indicating that you can purchase and receive the lens relatively quickly.