This is a Plano-Convex Lens, sourced from the reputable optical components vendor, Edmund Optics. The lens, identified as the 33-366 model, boasts a 25.0mm diameter and a focal length of 400.0mm. It is designed for use within the visible light spectrum, specifically catering to wavelengths between 425-675nm.
The lens is made from the high-quality material, n-BK7 Schott, which is renowned for its excellent optical properties. The front and back surfaces of the lens are coated with the EDM VIS-0 STD CURVE coating, enhancing its performance within the visible light spectrum.
The lens's geometry is characterized by a thickness of 2.82mm at the edge and 3.2mm at the center. The inner and outer radii are 0mm, and the lens's effective focal length (EFL) is 397.89mm. The first radius of curvature (R1) is 206.72mm.
The lens's type is Spherical, and its sub-type is Spherical Lens (Plano-Convex). The base shape is Circular, and the coating is Spherical. The lens is currently in stock and available for immediate use.
For more detailed information, please refer to the provided weblink: https://www.edmundoptics.com/p/250mm-dia-x-4000mm-fl-vis-0deg-coated-plano-convex-lens/3034/