The 65-517 is a high-quality Plano-Convex spherical lens, sourced from the renowned optical vendor, Edmund Optics. This lens boasts a 9.0mm diameter and a 36.0mm focal length, making it suitable for a wide range of optical applications.
The lens is crafted from the highly transparent material, n-BK7 Schott, which is known for its excellent optical properties and durability. The base shape of the lens is circular, and it features a plano-convex geometry, with the convex side facing outwards. The edge thickness of the lens is 1.75mm, while the center thickness measures 2.3mm, providing a robust structure that can withstand rigorous use.
The lens has an effective focal length (EFL) of 36mm, making it ideal for focusing or collimating light beams in various applications. The front and back surfaces of the lens are coated with Edmund Optics' Las V-Coat 785, a specialized coating designed to enhance the lens' performance in the 785nm wavelength range. This coating ensures high transmission and low reflection, making the lens an excellent choice for laser applications.