Shallow and Large Depth of Field

Shallow depth of field was used as principles for the pictures below. The Depth of Field is measured in Fstops. The way it works is the larger the Apature number the larger the depth of field. This controls how much of exposure the lens will pic up in the photo. To achieve a larger depth of field the opposite needs to be done. As Fstops vary from 4.5-30 apature