A wide-angle lens is a photographic lens with a focal length shorter than a standard lens, a larger angle of view than a standard lens, a focal length longer than a fisheye lens, and a smaller angle of view than a fisheye lens. There are two types of wide-angle lenses: ordinary wide-angle lenses and ultra-wide-angle lenses.
A wide-angle lens is a photographic lens with a shorter focal length than a standard lens, a larger angle of view than a standard lens, a longer focal length than a fisheye lens, and a smaller angle of view than a fisheye lens. There are two types of wide-angle lenses: ordinary wide-angle lenses and ultra-wide-angle lenses.
The focal length of an ordinary wide-angle lens is generally 38-24mm, and the viewing angle is 60-84 degrees. The focal length of the ultra-wide-angle lens is 20-13 mm and the viewing angle is 94-118 degrees. Because the wide-angle lens has a short focal length and a large angle of view, it can capture a larger landscape area within a shorter shooting distance. The focal length of the wide-angle digital camera lens is very short, the angle of view is very wide, but the depth of field is very deep, more suitable for shooting larger scenes, such as architecture, landscapes and other subjects.

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