The G314421000 is a plano-concave lens with a diameter of 22.4 mm, sourced from Qioptiq Photonics. This lens is designed for use with a wavelength of 355 nm and is made from UVFS material with the Mal-1965 index. The lens's geometry is characterized by a center thickness of 1.5 mm, an effective focal length (EFL) of -40 mm, and a radius of curvature (R1) of -20.097 mm. The lens's concave shape is ideal for use in applications where light needs to be spread out or diverged. Despite its uncoated status, this lens is still highly versatile and can be used in a wide range of optical systems. For more information, including availability and pricing, please refer to the provided weblink.