The LA4148-633 is a Plano-Convex Spherical Lens, part of Thorlabs' extensive catalog of optical elements. This lens boasts a diameter of 25.4 mm and an effective focal length (EFL) of 50 mm, specifically designed for a wavelength of 633 nm. The lens is made from UVFS material with Mal-1965 index, ensuring high-quality performance.
The lens's geometry includes a 2.1 mm thickness at the edge and a 5.8 mm thickness at the center, providing a robust structure. The front and back of the lens are coated with Thorlabs' V-AR-633 coating, enhancing its durability and functionality.
This lens is available from Thorlabs, and the provided weblink indicates that it is currently in stock. The vendor's website offers more detailed information and specifications, making it a reliable source for further research.