Re: Optical Lenses vs Mirrors: Key Differences Explained by Harold Harold - Tuesday, 13 October 2026, 5:13 PM Number of replies: 0 Surface coatings and substrate materials can affect reflectivity and durability, so an Optical Mirror should be chosen according to its wavelength and angle of incidence. https://www.yutaioptics.com/optical-prisms/ Permalink Show parent Reply