Wide-angle lens
Wide-angle lens focal length shorter than the standard lens, wide viewing angle. General 35 mm camera wide-angle lens focal length is 28 mm -35 mm, viewing angle between 76 degrees -64 degrees. Wide-angle wide field of vision, depth of field, for the general shadow and general landscape photography. Focal length range of 15 mm -24 mm, viewing angle between 110 degrees -84 degrees, compared to ultra-wide angle lens. Close to even greater than 180 degrees above the fisheye lens. ...