This product is a high-quality double-convex lens, designed and manufactured by MKS/Newport, a renowned vendor in the optical industry. The lens, identified as SBX064AR.33, boasts a diameter of 50.8 mm and a focal length of 250 mm, making it suitable for a wide range of optical applications.
The lens is constructed with a spherical shape, featuring a convex-convex base shape. The geometry of the lens is meticulously designed, with an edge thickness of 3 mm and a center thickness of 5.831 mm. The effective focal length (EFL) is 250 mm, and the radii of curvature are R1 = 228.587 mm and R2 = -228.587 mm. The back focal length (BFL) is 247.99 mm, and both the inner and outer radii are 0 mm.
The lens is made from UVFS Mal-1965, a material with unique optical properties that make it ideal for various applications. The lens is designed to work with a wavelength of 589 nm, and it features a New AR-33 coating on both the front and back surfaces. This coating enhances the lens's performance by reducing reflection and increasing transmission, making it an excellent choice for laser applications.