This MQD7575 mirror is a precision-grade, 75 x 75 mm rectangular mirror made from soda lime with a thickness of 8mm. It is designed for use in the visible light spectrum, specifically at a wavelength of 588nm. The mirror boasts a dielectric coating, denoted as 'kni mv99', which enhances its reflective properties. This coating is 99% reflective in the visible light range of 450-700nm, making it an ideal choice for applications that require high reflectivity within this spectrum. The mirror is categorized as a thin lens, indicating its suitability for use in optical systems where minimal thickness is a requirement. This mirror is available from Knight Optical and is currently in stock, as indicated by its weblink status.