Presentation used to help explain f-stop to students.

1. Understanding F-Stops

4. 22 16 11 8 5.6 3.5 2 1.4 The Larger the number the smaller the opening the larger the Depth of Field. The Smaller the number the larger the opening the smaller the Depth of Field.

5. Large Depth of Field Smaller the Opening More is in Focus

6. Small Depth of Field Larger the opening, less that is in focus Larger the opening, less that is in focus