How to open the nail wide angle

Wide-angle lens is a photographic lens with shorter focal length, larger viewing angle, longer distance and smaller viewing angle than standard lens. Wide-angle lenses are divided into ordinary wide-angle lenses and ultra-wide-angle lenses. 135 cameras generally have a wide-angle lens focal length of 38 to 24 mm and a viewing angle of 60 to 84 degrees. The ultra-wide-angle lens focal length is 20 to 13 mm and the viewing angle is 94 to 1 18 degrees. 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.

Wide-angle refers to a wide-angle lens, which is a photographic lens with shorter focal length, larger viewing angle, longer focal length and smaller viewing angle than the standard lens.