This is a G063012400 31.5 mm diameter N-BK7 mounted double-convex lens, with a focal length (EFL) of 40mm. 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 31.5mm, with a center thickness of 8.3mm and an edge thickness of 2.1mm. The inner and outer radii are both zero, and the radii of curvature are r1 = 41.867 and r2 = -41.867.
The lens is made of N-BK7, a type of glass commonly used in optical applications due to its excellent optical properties. The glass is Schott branded, ensuring high quality and reliability.
The lens is coated with Qio Silver RAGV 45 on both the front and back surfaces. This coating enhances the lens's performance by reducing reflection and increasing transmission, making it suitable for various applications.
The lens is in stock and available for purchase on the Qioptiq Photonics website, as indicated by the "weblink status" field in the item data. The website link is provided for your convenience.