Yes. In convex mirrors, the image is always erect and diminished, at whatever distance the object may be in front of the mirror. The convex mirror has a wide field of view and hence is used as a rear view( or driving) mirror in vehicles, to view the traffic behind.
convex mirror
A convex mirror
convex mirror
convex mirror as used by drivers in different vehicles......
Convex mirrors
A convex mirror is used as the wing mirror on a vehicle, not as the internal rear view mirror. The advantage of the convex mirror is that it gives a wider field of view, but it must be used with caution, because it distorts distances, making it hard to judge how near another object is.
Not sure about mirrors but convex and concave lenses are used to treat conditions such as long/short sightedness.
convex mirror
"Convex mirrors are used to provide a wider Field_of_viewthan a flat mirror, and are often used on vehicles, especially large trucks, to minimise Blind_spot_(automobile)."http://en.wikipedia.org/wiki/Mirror
Concave lenses are used in glasses for people who are near-sighted. Convex lenses are used in glasses for people who are far-sighted.
Convex mirrors are used as side-view mirrors in vehicles to provide a wider field of view and reduce blind spots. They are also used in stores and warehouses as security mirrors to improve visibility around corners and aisles. Additionally, convex mirrors are utilized in surveillance systems for monitoring large areas.