Convex mirrors are also called wide-angle mirrors, mirrors, and turning mirrors. Mainly used in various corners and intersections. It can expand the driver's vision and find the vehicles on the opposite side of the curve early to reduce the occurrence of traffic accidents. It is also used for superm

We often say that a convex mirror is a wide-angle lens or a mirror, etc. It is a spherical mirror that uses the reflective surface of the outer surface of the lens to reflect, which can play a role of divergence. Of course, we can often see that there will be a spherical mirror in some traffic corne