This is a Plano-Convex Lens, sourced from the renowned optical components vendor, Edmund Optics. The lens, identified as 45-503, is designed with a base shape of a circle and features a spherical geometry. The lens has a diameter of 20.0mm and a thickness at the edge of 1.59mm, while the center thickness measures 3.0mm. The effective focal length (EFL) of the lens is 70.0mm, and the radius of curvature (R1) is 36.18mm. The back focal length (BFL) is 68.03mm, and both the inner and outer radii are 0mm.
The lens is made from the high-quality material n-BK7 Schott, a borosilicate crown glass known for its excellent optical properties. The lens is coated with a VIS-NIR coating, specifically the EDM VISNIR0SP2002000 coating, on both the front and back surfaces. This coating is designed for the visual (VIS) and near-infrared (NIR) spectrum, specifically for wavelengths between 400 and 1000nm.
The lens is currently in stock and available for immediate purchase. For more information, please refer to the vendor's website using the provided weblink.