LC7142-E4 25.4 mm Dia. ZnSe Plano-Concave Lens; EFL=-200mm 2-13µm

The LC7142-E4 is a 25.4 mm diameter Plano-Concave Spherical Lens made of ZnSe material, specifically designed for use in the 10600 nm wavelength range. This lens is sourced from Thorlabs, a reputable vendor known for its high-quality optical components.

The lens features a concave shape with a 280.5 mm radius of curvature (RoC) on one side and a flat surface on the other. The center thickness of the lens is 2 mm, and it has an effective focal length (EFL) of -200 mm. The lens's geometry is circular, making it suitable for a wide range of optical applications.

The LC7142-E4 is coated with tho e4znsearc2000130 on both the front and back surfaces, enhancing its performance in the specified wavelength range. The lens is designed to work with a wavelength of 10600 nm, making it suitable for applications in this spectrum.

The lens is available in stock, according to the vendor's website link provided: https://www.thorlabs.com/thorproduct.cfm?partnumber=LC7142-E4. This information is subject to change, so it's recommended to check the vendor's website for the most up-to-date status.