This is a G063020000 22.4 mm diameter N-BK7 mounted double-convex lens, with a focal length (EFL) of 20mm and no coating. The lens is sourced from Qioptiq Photonics, a renowned vendor in the field of precision optics.
The lens is of the spherical type, specifically a symmetric convex-convex lens, and has a base shape of a circle. The geometry of the lens is defined by a diameter of 22.4mm, a thickness at the edge of 1.6mm, and a thickness at the center of 8.8mm. The first radius of curvature (r1) is 19.248mm, and the second radius of curvature (r2) is -19.248mm. The inner and outer radii are both 0mm.
The lens is made of N-BK7, a type of glass commonly used in optical applications due to its excellent optical properties. The wavelength for this lens is 587.6nm.
Please note that this lens is uncoated. Coatings are often applied to lenses to reduce reflection, increase transmission, or to provide other specific optical properties. The absence of a coating in this lens may affect its performance in certain applications, so it's important to consider this factor when deciding if this lens is suitable for your needs.
For more information and to check the availability of this lens, you can visit the vendor's website through the provided weblink. The weblink status indicates that the lens is currently in stock.