How much mm is the wide-angle lens?

1 1mm to 16mm are commonly referred to as fisheye lenses, 17mm to 24mm are commonly referred to as super wide-angle lenses, 45mm to 50mm are commonly referred to as pan-tilt lenses, 75mm to 200mm are commonly referred to as medium telephoto lenses and portrait lenses, 200mm to 500mm are commonly referred to as telephoto lenses, and 600mm to/kl.

Introduction of wide-angle lens:

Wide angle is the photographic term wide angle, which refers to the wide-angle lens of photography. Wide-angle lens is a kind of lens, which has a wider angle of view and shorter focal length than the general lens, and is suitable for shooting large-area objects. Because the wide-angle lens has a short focal length and a large viewing angle, it can shoot a large area of scenery in a short shooting distance. Therefore, it is widely used to shoot large-scale landscape photography.

The basic characteristics of a wide-angle lens are its large viewing angle and wide field of vision. The range of scenery observed from a certain viewpoint is much larger than that seen by human eyes at the same viewpoint; The depth of field is long, which can show a fairly clear range; It can emphasize the perspective effect of the picture, be good at exaggerating the foreground and express the sense of distance of the scene, which is conducive to enhancing the appeal of the picture.