Depth of field for the Pentax smc Pentax-DA 12-24mm f/4 ED AL IF on the Pentax K-3 III (1.55× crop, circle of confusion 0.019 mm). At 12 mm and f/8 the hyperfocal distance is 0.9 m — focus there and everything from 0.5 m to infinity is sharp.
Focal length
12 mm
19 mm FF equiv.
Hyperfocal @ f/8
0.9 m
3 ft
NPF wide open
21.0 s
f/4, 3.75 µm pixels
Horizontal FOV
88.3°
Depth of field chart at 12 mm
| Focus distance | f/4 | f/5.6 | f/8 | f/11 | f/16 |
|---|---|---|---|---|---|
| 1 m | 0.65–2.1 m | 0.57–3.9 m | 0.48–∞ m | 0.41–∞ m | 0.32–∞ m |
| 2 m | 0.97–∞ m | 0.80–∞ m | 0.64–∞ m | 0.51–∞ m | 0.38–∞ m |
| 3 m | 1.15–∞ m | 0.92–∞ m | 0.71–∞ m | 0.55–∞ m | 0.40–∞ m |
| 5 m | 1.36–∞ m | 1.05–∞ m | 0.78–∞ m | 0.60–∞ m | 0.43–∞ m |
| 10 m | 1.57–∞ m | 1.17–∞ m | 0.85–∞ m | 0.63–∞ m | 0.44–∞ m |
| 20 m | 1.70–∞ m | 1.24–∞ m | 0.89–∞ m | 0.65–∞ m | 0.45–∞ m |
Each cell shows the near and far limits of acceptable sharpness.
Open the DoF calculator with this setup