A small aperture (big number) like f/22 has a very deep depth of field, so that everything behind your subject is in focus, all the way out to Mars.
Okirikiri ala dị egwu nwere nnukwu omimi nke ubi (dịka oghere f / 22) nke mere na ihe niile, ọbụna n'ebe dị anya, dị nkọ.