This is a G052206331 12.7 mm diameter N-BK7 mounted double-convex lens, with a focal length (EFL) of 20mm. The lens is sourced from Qioptiq Photonics, a reputable vendor in the field of precision optics.
The lens is of the spherical type, specifically a convex-convex lens, and has a base shape of a circle. The diameter of the lens is 12.7mm, and it has a thickness of 0.9mm at the edge and 3mm at the center. The inner and outer radii are both 0, indicating a symmetrical lens.
The lens is made from 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.
The lens is coated with Qio AL RALVIS AOI 45 on both the front and back surfaces. This coating is designed to enhance the lens's performance in specific applications, providing anti-reflection properties that help reduce unwanted reflections and increase transmission.
The lens data is valid and in stock, according to the weblink provided. This information should help you in your selection process for optical components with similar properties.