89-286 40mm Dia. x 120mm FL; YAG-BBAR Coated; Double-Convex Lens YAG-BBAR 500-1100nm

This is a high-quality double-convex lens from the renowned optical components manufacturer, Edmund Optics. The lens, identified as 89-286, boasts a diameter of 40mm and a focal length of 120mm, making it suitable for a wide range of optical applications.

The lens is made from Schott's n-BK7 glass, a popular material due to its excellent optical properties and high transparency in the visible spectrum. The lens's geometry features a double-convex shape, with radii of curvature of 122.83mm and -122.83mm for the first and second surfaces, respectively. The lens has an edge thickness of 3.72mm and a center thickness of 7mm, providing robustness and durability.

The lens's surfaces are coated with YAG-BBAR, a broadband anti-reflection coating that covers the spectral range of 500-1100nm. This coating significantly reduces surface reflections, enhancing the lens's transmission and overall performance. The coating is applied to both the front and back surfaces of the lens, ensuring optimal performance from all angles.

The lens's geometry, material, and coating make it an excellent choice for various applications, including but not limited to, imaging systems, beam shaping, and laser applications within the specified spectral range. According to the vendor, the lens is currently in stock, ensuring quick delivery and minimal lead times.