Depth of field for the Sigma 56 mm F1.4 DC DN | C 018 on the Sigma fp L (1.00× crop, circle of confusion 0.030 mm). At 56 mm and f/8 the hyperfocal distance is 13.1 m — focus there and everything from 6.6 m to infinity is sharp.
Focal length
56 mm
56 mm FF equiv.
Hyperfocal @ f/8
13.1 m
43 ft
NPF wide open
2.9 s
f/1.4, 3.76 µm pixels
Horizontal FOV
35.6°
Depth of field chart at 56 mm
| Focus distance | f/1.4 | f/2 | f/2.8 | f/4 | f/5.6 | f/8 |
|---|---|---|---|---|---|---|
| 1 m | 0.99–1.0 m | 0.98–1.0 m | 0.98–1.0 m | 0.97–1.0 m | 0.95–1.1 m | 0.93–1.1 m |
| 2 m | 1.95–2.1 m | 1.93–2.1 m | 1.90–2.1 m | 1.86–2.2 m | 1.81–2.2 m | 1.74–2.3 m |
| 3 m | 2.89–3.1 m | 2.84–3.2 m | 2.78–3.3 m | 2.70–3.4 m | 2.59–3.6 m | 2.45–3.9 m |
| 5 m | 4.69–5.4 m | 4.57–5.5 m | 4.42–5.8 m | 4.20–6.2 m | 3.95–6.8 m | 3.63–8.0 m |
| 10 m | 8.82–11.5 m | 8.40–12.3 m | 7.90–13.6 m | 7.24–16.1 m | 6.52–21.4 m | 5.68–41.8 m |
| 20 m | 15.78–27.3 m | 14.48–32.3 m | 13.04–42.9 m | 11.34–84.4 m | 9.67–∞ m | 7.92–∞ m |
Each cell shows the near and far limits of acceptable sharpness.
Open the DoF calculator with this setup