This is a G052101400 3 mm Dia. N-LASF9 Mounted Plano-Convex Lens, a high-quality optical component sourced from Qioptiq Photonics. The lens, which has a plano-convex geometry, is designed with a 3 mm diameter and a 0.38 mm thickness at the edge, transitioning to a 1 mm thickness at the center. The effective focal length (EFL) of this lens is 2.5 mm, making it suitable for a wide range of optical applications.
The lens is made from N-LASF9 Schott glass, a material known for its excellent optical properties. The front and back surfaces of the lens are coated with Qio Silver RAGV 45, a coating that enhances the lens' performance in specific wavelength ranges, in this case, 588 nm.
The lens is mounted, which means it is ready to be integrated into optical systems without the need for additional mounting mechanisms. The web link provided leads to the product page on Qioptiq's website, where you can find more information about this lens, including its availability and pricing.