Depth of Field (noun)
The distance between the nearest and farthest objects in a picture.
The German photographer Anton Stankowski enjoyed using the depth of field creatively to compose engaging photographs.
Anton Stankowski, book jacket design, 1963, photo by Alki1 via Flickr, Creative Commons Attribution-NonCommercial-NoDerivs 2.0 Generic License.
Just a Second: Depth of Field