31-859 3mm Dia. x 4.5mm FL; MgF2 Coated; Double-Convex Lens MgF2 400-700nm

This is a high-quality double-convex lens, sourced from the renowned optical component vendor, Edmund Optics. The lens, identified as the 31-859 model, boasts a 3mm diameter and a focal length of 4.5mm, making it a versatile choice for a wide range of optical applications.

The lens is crafted from n-BK7 Schott, a popular optical glass due to its excellent optical properties and high homogeneity. The base shape of the lens is circular, and it features a standard spherical geometry. The center thickness of the lens is 2mm, while the edge thickness is 1.47mm, providing a robust structure without compromising on performance.

The lens is coated with EDM MgF2 std curve on both the front and back surfaces. This coating enhances the lens's performance in the 400-700nm wavelength range, ensuring optimal light transmission and reducing unwanted reflections. The effective focal length (EFL) of the lens is 3.78mm, and the radii of curvature are 4.29mm and -4.29mm for the first and second surfaces, respectively.

The lens is in stock and available for immediate purchase through the provided weblink. With its superior quality, versatile specifications, and reliable performance, this lens is an excellent choice for various optical systems and applications.