Marien CartelPHOTOGRAPHY

Interactive Depth of Field & Hyperfocal Distance Calculator

Pick a one-click real-world preset or adjust your sensor format, focal length, aperture, and subject distance to see your exact sharp focus zone (down to the centimeter) and hyperfocal distance.

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1-Click Real-World Shot Presets
50mm (50mm FF equiv.)
f/1.8
Creamy Portrait Bokeh (Strong Subject Isolation)
Total Sharp Focus Zone (Depth of Field)

16.9 cm (0.17 m)

Near Focus Limit1.92 m
Far Focus Limit2.09 m
Hyperfocal Distance46.35 m
Focus Distribution48% in front · 52% behind
CameraNear (1.92 m)Subject (2 m)Far (2.09 m)
Matching Lens for This Setup

Canon RF 50mm f/1.8 STM

Read Full Guide →

What is depth of field?

Depth of field (DoF) is the zone in front of and behind your focus point that still looks acceptably sharp in the final image. Outside that zone, things gradually blur. It's never a hard on/off line — it's a gradient — but for planning a shot, treating it as a near limit and a far limit is close enough to be useful.

What changes it

  • Aperture (f-number): the biggest lever. A wide aperture (f/1.4, f/1.8, f/2.8) gives a shallow, blurred-background look. A narrow aperture (f/8, f/11, f/16) keeps more of the scene sharp front-to-back.
  • Focal length: longer lenses compress depth of field at the same aperture and distance — this is why an 85mm or 200mm portrait lens blurs backgrounds far more aggressively than a 24mm wide-angle at the same f-stop.
  • Subject distance: the closer you focus, the shallower your depth of field gets — this is why macro and jewelry photography require stopping down to f/8–f/16 or focus stacking.
  • Sensor size: smaller sensors (APS-C, Micro Four Thirds) use a shorter focal length to match a full-frame field of view, which increases depth of field for the same framing.

Frequently Asked Questions

Why do landscape photographers focus at the hyperfocal distance instead of infinity?

Focusing exactly at infinity wastes some of your depth of field behind the point where it's useful. Focusing at the hyperfocal distance instead pulls the near limit of your focus zone forward, extending sharp focus all the way to infinity while also gaining sharpness closer to the camera.

How much depth of field do I need for a close-up portrait or tattoo photo?

For a head-and-shoulders portrait at 1.5m to 2.0m, aim for at least 8cm to 15cm of total depth of field so both the eyes and the tip of the nose stay crisp. For close-up tattoo, product, or food shots under 1 meter, stop down to f/4–f/5.6 so curved surfaces stay inside the sharp zone.