LB4842-UV 50.8 mm Dia. UVFS Double-Convex Lens; EFL=200mm 245-400nm

The LB4842-UV is a double-convex lens with a diameter of 50.8 mm, sourced from the reputable optical components manufacturer, Thorlabs. This lens is specifically designed for use in the ultraviolet (UV) spectrum, with a wavelength of 245-400nm, making it an ideal choice for applications requiring high-performance UV transmission.

The lens features an effective focal length (EFL) of 200mm, providing a high level of magnification and precision. The geometry of the lens includes a thickness of 3mm at the edge and 6.5mm at the center, offering a robust and durable design. The lens is made from UVFS material with the Mal-1965 index, ensuring excellent optical performance in the UV range.

The LB4842-UV is coated with THo UVFS UV BAR on both the front and back surfaces. This coating enhances the lens's performance in the UV spectrum, reducing losses and increasing transmission. The lens's spherical shape, with radii of curvature of 183mm for both the first and second surfaces, ensures excellent image quality and minimal distortion.

This lens is currently in stock and available for immediate purchase from the Thorlabs website, as indicated by its "Valid - in stock" web link status. With its high-quality construction, advanced UV coating, and precise specifications, the LB4842-UV is a reliable and versatile choice for any UV optical system.