High-quality glass mirror concave that demonstrates image distortions. Concave mirrors reflect light inward to one focal point. They are used to focus light. One of the most common uses of concave mirrors is in makeup mirrors, where the image is magnified. They are also used in reflecting telescopes, and often in headlights of cars and spotlights and torches.
 Diameter measures 50mm.
 Focal length: -100mm.
 Sold individually.