what is shallow depth of field
Shallow depth of field is when only a small part of your photo is sharp and everything in front of or behind that point appears pleasingly blurred.
What is shallow depth of field?
In photography, depth of field means how much of the scene (from near to far) looks in focus.
A shallow depth of field means that just a thin “slice” of the scene is sharp, while the rest fades into soft blur.
You’ll usually notice it in portraits where the subject’s eyes are crisp, but the background melts away.
Think of it like shining a narrow beam of sharpness through your scene: whatever falls on that plane is clear, everything else falls off into blur.
How you create shallow depth of field
You typically get shallow depth of field by combining a few choices in-camera.
1. Use a wide aperture (low f-number)
- Set your lens to a low f‑number (like f/1.4, f/1.8, f/2.8, up to around f/5.6).
- A wider aperture means more light and a thinner zone of focus, so backgrounds and foregrounds blur more.
2. Get closer to your subject
- The closer the camera is to your subject, the shallower the depth of field becomes.
- That’s why macro shots (flowers, insects, small objects) have very thin focus and lots of blur.
3. Use a longer focal length
- Telephoto lenses (like 85mm, 135mm and beyond) naturally give shallower depth of field than wide‑angle lenses at the same aperture.
- A longer focal length “compresses” the scene and helps throw the background more out of focus.
4. Separate subject from background
- Pull your subject away from the background (e.g., a person standing several meters in front of trees or buildings).
- The further the background is from the focus plane, the blurrier it will appear.
Why photographers love shallow depth of field
Shallow depth of field is a storytelling and design tool, not just a technical trick.
- It isolates your subject, guiding the viewer’s eye straight to the most important part of the image.
- It simplifies busy or messy backgrounds, turning distractions into a soft wash of color and light.
- It creates a sense of intimacy, especially in portraits and close‑ups, because the viewer feels “locked in” to the subject.
- In both photography and cinematography, it can reinforce a narrative by making one character or object feel central to the story.
When to use shallow vs deep depth of field (quick view)
| Situation | Shallow depth of field | Deep depth of field |
|---|---|---|
| Portraits | Subject sharp, background blurred to avoid distractions. | [3][1][5]Less common; keeps more of the scene visible. | [5]
| Macro / close-ups | Very thin focus for dramatic emphasis. | [6][5]Harder to achieve; often requires very small apertures. | [5]
| Landscapes | Used for creative effects, isolating a foreground element. | [5]Most of scene sharp from front to back. | [10][5]
| Video / film scenes | Highlight one character or object, blur background. | [7][5]Useful when environment is part of the story. | [9][5]
Mini example to picture it
Imagine you’re photographing a friend in a busy street.
You set your lens to f/1.8, zoom to 85mm, step in close, and have them stand a few meters in front of the background.
In the final image, your friend’s face is tack‑sharp, but the crowds, cars, and signs behind them become soft, colorful shapes that don’t compete for attention.
TL;DR: Shallow depth of field is a look where only a small zone of your photo is in focus and the rest is blurred, created mainly by using a wide aperture, getting closer, using longer lenses, and separating your subject from the background.
Information gathered from public forums or data available on the internet and portrayed here.