This product is a curved mirror, specifically a concave mirror, offered by EKSMA Optics. It boasts a base shape of a circle with a diameter of 76.2 mm and a thickness edge of 12.7 mm. The mirror's effective focal length (EFL) is -500 mm, and its radius of curvature (R1) is -1000 mm.
The mirror is made from UVFS material, identified as UVFS MAL-1965 in the item data. It is designed to operate at a wavelength of 800 nm. The front surface of the mirror is coated with "eks enhsil600110045", an enhanced silver coating, which is suitable for use in the wavelength range of 600-1100 nm.
This mirror, with its spherical shape, is a part of the metallic mirrors category on the EKSMA Optics website, where it is currently in stock. The link to the product page is provided in the item data for easy reference and further details.