89-130 6mm Dia. x 9mm FL; VIS-EXT Coated; Double-Convex Lens VIS-EXT 350-700nm

The 89-130 is a double-convex lens with a diameter of 6mm and a focal length of 9mm, sourced from the renowned optical components vendor, Edmund Optics. This lens is designed for use within the visible light spectrum, specifically between 350-700nm, making it suitable for a wide range of optical applications.

The lens is made from n-BK7 Schott, a high-quality optical glass known for its excellent transparency and low dispersion. This material ensures high-quality image reproduction and minimal chromatic aberration. The lens features a front and back coating of EDM VIS-EXT, a broadband anti-reflection coating that enhances transmission within the specified wavelength range.

The lens geometry includes a center thickness of 2.25mm and an edge thickness of 1.22mm, providing robustness and durability. The lens has an effective focal length (EFL) of 9mm, a back focal length (BFL) of 8.22mm, and radii of curvature of 8.91mm and -8.91mm for the first and second surfaces, respectively.

This lens is an excellent choice for applications requiring a compact, high-performance optical component within the visible light spectrum. Its double-convex design, high-quality materials, and advanced coatings make it a reliable and efficient option for various optical systems.