What effect does a larger f stop have on depth of field?

Study for the Evidence Technician Exam. Use flashcards and multiple choice questions with hints and explanations. Prepare effectively for your exam!

A larger f-stop number corresponds to a smaller aperture opening in a camera lens. When using a larger f-stop, the amount of light entering the lens is reduced, which leads to an increase in depth of field. Depth of field refers to the range of distance within a photo that appears acceptably sharp.

With a smaller aperture (larger f-stop), more of the scene—from the foreground to the background—will remain in focus. This is particularly useful in landscape photography, where the intent is often to keep both the foreground and background elements clear.

In contrast, a smaller f-stop (larger aperture) produces a shallower depth of field, where only a small part of the scene is in focus, creating a blurred background effect. This is often desirable for portrait photography to isolate the subject from the background.

Other mentioned choices do not correctly convey the relationship between aperture size and depth of field, as a larger f-stop specifically enhances the extent of focus across varying distances within the composition.

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