Crafted from JGS-1 quartz glass, this double convex lens ensures superior optical performance and durability. Features a diameter of 40mm and a focal length of 33.1mm, making it ideal for various optical applications including U-V and visible light spectrophotometry. Achieves high surface accuracy of /4@632.8nm, ensuring precise imaging and minimal distortion in optical setups. devised with a radius of curvature of 20.4mm and an edge thickness of 2mm, providing optimal light transmission and clarity. Compatible with a wide range of laboratory equipment, this lens is perfect for researchers and professionals seeking reliable optical components.