This 87-683 optical mirror, sourced from Edmund Optics, is a 50 mm diameter N-BK7 Plano-Convex Spherical Mirror with a 25mm Effective Focal Length (EFL). The mirror's base shape is circular, and it features a protected silver coating on the front surface, specifically the EDM DPROTSIL3001000 coating.
The mirror's geometry includes a 1.3mm thickness at the edge and an 8mm thickness at the center. The mirror's curvature is spherical, with a radius of curvature (R1) of 50mm. This mirror is designed to operate within the wavelength range of 450-10000nm, making it suitable for a wide range of optical applications.
According to the vendor's website, this item is currently in stock, providing users with immediate access to this high-quality optical component. The mirror's N-BK7 material, a borosilicate crown glass known for its excellent optical properties, further enhances its appeal. This mirror is a reliable and versatile choice for various optical systems.