The lenses classified as 'Normal lens' or 'Normal zoom lens' is often also called 'Standard lens' and 'Standard zoom lens'. We find many names for those we love, you often hear people say. And these lenses are the most common type of lens and they can cover a lot of different areas in photography. They are used for portraits, group photos, reportage, travel pictures, weddings, and even sports. Most DSLR cameras are sold together with a lens, as a kit and then it is usually a normal zoom lens that is included, for example with focal length of 18-55 mm.