This product is a Plano-Convex lens, type of spherical lens, offered by Edmund Optics with the item number 34-181-INK. The lens has a circular base shape and a diameter of 40.0mm. The thickness at the edge is 2.97mm, while the center thickness measures 7.0mm. The effective focal length (EFL) of the lens is 100.0mm.
The lens is made of the material n-BK7 Schott, a popular choice for optical elements due to its excellent optical properties. The radius of curvature for the first surface (R1) is 51.68mm, and the back focal length (BFL) is 95.39mm. The lens does not have an inner or outer radius.
The lens is coated with EDM VIS EXT on both the front and back surfaces. This coating is designed for use in the visible spectrum, specifically between 350-700nm, making it suitable for a wide range of applications.
The vendor, Edmund Optics, indicates that this item is in stock and provides a weblink for further information: https://www.edmundoptics.com/f/vis-ext-coated-plano-convex-pcx-lenses/14893/.