Depth of field for the Nikon Nikkor Z 20mm f/1.8 S on the Nikon Z 50 (1.53× crop, circle of confusion 0.020 mm). At 20 mm and f/8 the hyperfocal distance is 2.6 m — focus there and everything from 1.3 m to infinity is sharp.
Focal length
20 mm
31 mm FF equiv.
Hyperfocal @ f/8
2.6 m
8 ft
NPF wide open
9.4 s
f/1.8, 4.2 µm pixels
Horizontal FOV
60.9°
Depth of field chart at 20 mm
| Focus distance | f/2 | f/2.8 | f/4 | f/5.6 | f/8 | f/11 |
|---|---|---|---|---|---|---|
| 1 m | 0.91–1.1 m | 0.88–1.2 m | 0.84–1.2 m | 0.79–1.4 m | 0.72–1.6 m | 0.65–2.1 m |
| 2 m | 1.68–2.5 m | 1.57–2.7 m | 1.44–3.3 m | 1.30–4.4 m | 1.13–8.9 m | 0.97–∞ m |
| 3 m | 2.32–4.2 m | 2.13–5.1 m | 1.89–7.2 m | 1.65–16.4 m | 1.38–∞ m | 1.15–∞ m |
| 5 m | 3.36–9.8 m | 2.97–15.8 m | 2.53–206.9 m | 2.11–∞ m | 1.69–∞ m | 1.36–∞ m |
| 10 m | 5.06–450.3 m | 4.22–∞ m | 3.38–∞ m | 2.68–∞ m | 2.04–∞ m | 1.57–∞ m |
| 20 m | 6.76–∞ m | 5.35–∞ m | 4.07–∞ m | 3.09–∞ m | 2.26–∞ m | 1.70–∞ m |
Each cell shows the near and far limits of acceptable sharpness.
Open the DoF calculator with this setup