This product is a UVFS Protected Aluminium Spherical Plano-Concave Mirror, available from EKSMA Optics. It is a curved mirror of the concave type, with a base shape of a circle. The mirror has a diameter of 50.8 mm and a thickness at the edge of 10 mm. The effective focal length (EFL) of this mirror is -5000 mm, and the radius of curvature (R1) is -10000 mm.
The mirror is made of UVFS material, specifically UVFS Mal-1965, and is designed to operate at a wavelength of 300 nm. The front surface of the mirror is coated with EKS 0015PROTAL 3000, a coating that enhances its performance and durability.
This mirror is part of the Metallic Mirrors category offered by EKSMA Optics, which includes a wide range of mirrors with various specifications. According to the vendor's information, this item is currently in stock, and more details about it can be found on the EKSMA Optics website.