Is Canon 1635f4 suitable for hanging up?

suitable. F4 is much lighter because it is a plastic head, and it can be lighter when hanging up. It covers the commonly used wide-angle focal length and is suitable for L-class wide-angle zoom lens for shooting scenery or street shooting. Hang-up lens is a photographic term, that is, a standard lens that comes with you when you buy a set of machines. It is generally a moderate but practical type, and also refers to a more commonly used lens.