Depth of Field

The depth of field is the area of the scene that appears well focused.

Note that “great depth of field” is only a term, it doesn’t at all mean that narrow depth of field is not that great. The depth of field can be an artistic choice that depends on what a photographer wants to convey.

For example, the image below has what’s called a great depth of field: everything from foreground to background is in focus (sharp).

example of great depth of field - everything is in focus

Second image has what’s called a shallow depth of field: the background and foreground are out of focus (blurry).

example of great depth of field - everything is in focus

Remember in a previous class we mentioned that lens aperture affects depth of field - the higher the f-stop the greater it is.

Another factor that affects the depth of field is how far is the camera positioned from the subject. The further the camera is from the subject you’re photographing the greater the depth of field.

The third important factor that affects the depth of field is the focal length which we will discuss in the next sections.

Next: Focal Length go back

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