A small but noticeable patch of contrasting light or dark tone would more correctly be described as an accent than as a mass, and it will be found th… - Arthur Hammond

The very word composition, defined as the "the act of composing; putting together; arranging in proper order," implies that the picture-maker must do something besides setting up his camera and letting it photograph just what happens before it.

For outdoor work, landscape and marine pictures, a long-focus lens is usually more satisfactory, because with it we can more easily isolate and emphasize the principal object of interest, and make it large enough without having to get too close.

The lack of hard edges and the entire absence of that biting hardness of definition that is unavoidable with some lenses is just what the picture maker wants.