43-469 50 mm Dia. N-BK7 Concave-Convex Spherical Mirror; EFL=25mm Protected Aluminum 400-2000nm

This 50 mm diameter concave mirror, sourced from Edmund Optics, boasts an effective focal length (EFL) of 25mm, making it suitable for a wide range of optical applications. The mirror's base shape is circular, and it features a protected aluminum coating, optimized for use within the wavelength range of 400-2000nm.

The mirror's geometry is spherical, with both radii of curvature (R1 and R2) measuring -50mm, indicating a concave-convex design. This particular curvature allows for precise light reflection and focusing, enhancing the performance of optical systems. The mirror's thickness at the edge is 6mm, contributing to its durability and stability.

The mirror is made from N-BK7 Schott glass, a popular choice in the optical industry due to its excellent optical properties and high damage threshold. This material is known for its low auto-fluorescence, making it ideal for applications that require minimal background noise.

The front surface of the mirror is coated with EDM PROTAL452008000, a proprietary coating developed by Edmund Optics. This coating provides enhanced protection, ensuring the mirror's longevity and resistance to environmental factors.