This is a 092-3230R+200 25.4 mm Dia.UVFS Protected Gold Spherical Plano-Convex Mirror, designed and manufactured by EKSMA Optics. The mirror has a base shape of a circle with a diameter of 25.4 mm and a thickness at the center of 6 mm. It is a curved mirror with a spherical shape and a Sub Type of Convex. The effective focal length (EFL) of this mirror is 100 mm, and the radius of curvature (R1) is 200 mm.
The mirror is made of UVFS material, identified as UVFS Mal- 1965 in the item data. The coating on the front surface is EKS 0030protgold900, which is a protected gold coating. This mirror is designed to operate at a wavelength of 900 nm.
According to the vendor's website, this item is currently in stock. The website link is valid and provides further information about the mirror and its specifications. This mirror is a part of EKSMA Optics' range of metallic mirrors, which are known for their high quality and precision.