How does a smaller aperture affect depth of field?

It increases depth of field.

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  1. It removes depth of field entirely
  2. It increases depth of field ✔
  3. It decreases depth of field

Why: Smaller aperture openings make blur spots smaller, so more of the scene stays acceptably sharp.

Huh, didn't know that: Smaller aperture openings make blur spots smaller, so more of the scene stays acceptably sharp.

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References

Answer: It increases depth of field. Smaller aperture openings make blur spots smaller, so more of the scene stays acceptably sharp.

  1. Depth of field en.wikipedia.org/wiki/Depth_of_field
    the blur spots of out-of-focus points become smaller and the DOF increases
    Checked 2026-11-07.

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