The LA1859-C is a high-quality plano-convex lens from Thorlabs, designed for use in a wide range of optical applications. This lens is made from N-BK7 Schott glass, a popular material due to its excellent optical properties and high damage threshold. The lens has a diameter of 18.0 mm and a focal length of 20.0 mm, making it suitable for use in systems where a long focal length is required.
The lens features an antireflection coating, designed to reduce surface reflections and increase transmission in the 1050-1700nm wavelength range. This coating is applied to both the front and back surfaces of the lens, ensuring optimal performance. The lens has a spherical shape, with a radius of curvature of 10.3 mm on the curved surface and a back focal length of 15.3 mm.
The LA1859-C is currently in stock and available for immediate shipping. For more information, including detailed specifications and pricing, please refer to the vendor's website.