45-299 40mm Dia. x 400mm FL; MgF2 Coated; Double-Convex Lens MgF2 400-700nm

This is a 40mm diameter, 400mm focal length double-convex lens, sourced from the renowned optical component vendor, Edmund Optics. The lens is made from n-SF11 Schott material, a high-index glass known for its excellent optical properties.

The lens features a standard MgF2 coating on both the front and back surfaces, which is designed to enhance transmission in the 400-700nm spectral range. This coating reduces reflection and increases the overall efficiency of the lens, making it an ideal choice for applications that require high light transmission.

The geometry of the lens includes a thickness of 7.03mm at the edge and 8mm at the center. The front and back radii of curvature are 412.09mm and -412.09mm respectively, resulting in a back focal length of 397.35mm. The lens is designed to be used in air, with an inner radius of 0mm and an outer radius of 0mm.

This lens is currently in stock, according to the vendor's website, making it a readily available option for your optical system needs. With its high-quality materials, precise geometry, and reliable coating, this double-convex lens is a versatile and valuable addition to any optical setup.