Aperture: A hole or opening in the lens that allows light in.
- Aperture is measured in F-stops
- Large Aperture: f-22, Small Aperture: f-7
- The way aperture affects Depth of Field is when the aperture is large, which means more light, the DOB is more pronounced. And visa versa.
- Depth of Field: the distance between the nearest and farthest objects in a scene that appear acceptably sharp in an image.
- Modes to use when focusing on DOB: Av Priority, Portrait, Landscape, Manual and Macro.