This is a 6.0mm diameter Plano-Concave lens, type 45-011, with a focal length of -18 from the vendor Edmund Optics. The lens is designed for use within the wavelength range of 400-700nm, making it suitable for a wide range of optical applications.
The lens is made from n-BK7 Schott, a high-quality optical glass, and features a MgF2 coating on both the front and back surfaces. This coating, standard curve from Edmund Optics, is designed to reduce reflection and increase transmission, enhancing the overall performance of the lens.
The geometry of the lens includes a thickness of 2.4mm at the edge and 2mm at the center. The inner radius is 0mm, and the outer radius is also 0mm. The lens's base shape is circular, and its shape is spherical.
The lens's design and construction make it a reliable and high-performing option for various optical applications. The detailed specifications provided in the item data allow for precise integration into optical systems, ensuring optimal performance and efficiency.