| These general purpose grade plane mirrors have an all-dielectric 99% coating for visible applications. They are generally on float glass substrates have a wide variety of usages. 1.1mm thick mirrors are useful for their low inertia in scanning systems whilst 3mm and 6mm thick mirrors have better flatness and are useful for camera, microscope or projector systems and illumination and sensing applications. These mirrors are available in a wide range of sizes at very reasonable prices. The stock listed below are circular general purpose plane mirrors of various diameters and thicknesses. Specifications: | Material: | Soda lime float glass, | | Diameter: | +0/-0.2 mm | | Length/width: | ±0.2mm | | Thickness: | ±0.25mm | | Surface quality: | <60:40 | | Flatness: 1.1mmthk 3/6mmthk | 1λ over 10mm dia. 2λ over 25mm dia. | | Parallelism: | <1 arcmin | | Coating: | All-dielectric 99% / Visible use MV99 | |