What is 85 degree wide-angle mm?

Wide-angle lens 24mm to 35 mm. 1 1mm to 16mm is usually called fisheye lens, 17mm to 24mm is usually called super wide-angle lens, 45mm to 50mm is usually called pan-tilt lens, 75mm to 200mm is usually called medium telephoto lens and portrait lens, and 200mm to 500mm is usually called telephoto 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.