This 091-3225R+50 mirror, sourced from EKSMA Optics, is a protected silver, plano-convex spherical mirror with a diameter of 12.7 mm and a thickness of 6 mm at the center. The mirror is designed for use with a wavelength of 400 nm and has a front coating of "eks 0025protsil 4000".
The mirror's geometry includes an effective focal length (EFL) of 25 mm and a radius of curvature (R1) of 50 mm. This specific mirror is part of the UVFS MAL-1965 material category.
According to the vendor's website, this item is currently in stock. For more detailed information, you can refer to the provided weblink: https://eksmaoptics.com/optical-components/metallic-mirrors/protected-silver-mirrors/