This is a Spherical Lens (Concave-Concave) type optical component with a diameter of 12.7 mm, sourced from the reputable vendor Laser Components. The lens features a double-concave design, with radii of curvature R1 and R2 set at -50 mm and 50 mm respectively. This specific model is uncoated, offering a unique set of properties that may be suitable for certain applications.
The lens has a center thickness of 2 mm and an edge thickness of 2.8 mm. The effective focal length (EFL) is -48 mm, which is a crucial parameter when considering the lens's optical performance. The material used for this lens is n-BK7 Schott, a popular choice due to its excellent optical properties and versatility.
The lens is designed to operate at a wavelength of 633 nm. The base shape is circular, which is a common feature in many optical systems. The lens is currently in stock and more information can be found on the vendor's website using the provided weblink.