This is a Plano-Convex Lens, sourced from the renowned optical components vendor, Edmund Optics. The lens, identified with the product code 88-892-INK, is a Spherical Lens with a base shape of Circular. It is designed for use in the visible light spectrum, with a central wavelength of 587.6nm.
The lens has a diameter of 25.0mm and a thickness at the edge of 2.39mm, while the center thickness is 3.0mm. The Effective Focal Length (EFL) of the lens is 250.0mm, and the Radius of Curvature (R1) is 129.2mm. The Back Focal Length (BFL) is 248.02mm, and both the Inner and Outer Radius are 0mm.
The lens is made of N-BK7 Schott, a popular optical glass due to its excellent optical properties and relatively low cost. The lens is coated with YAG-BBAR, a type of coating that enhances its performance in the 500-1100nm wavelength range. This coating is applied on both the front and back surfaces of the lens.
The item data indicates that this lens is in stock and available for immediate purchase. For more detailed information, including pricing and availability, please refer to the vendor's website using the provided weblink: https://www.edmundoptics.com/f/yag-bbar-coated-plano-convex-pcx-lenses/14895/.