Depth of field for the Pentax smc Pentax-DA 12-24mm f/4 ED AL IF on the Pentax KP (1.53× crop, circle of confusion 0.020 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
18 mm FF equiv.
Hyperfocal @ f/8
0.9 m
3 ft
NPF wide open
21.4 s
f/4, 3.88 µm pixels
Horizontal FOV
88.7°
Depth of field chart at 12 mm
| Focus distance | f/4 | f/5.6 | f/8 | f/11 | f/16 |
|---|---|---|---|---|---|
| 1 m | 0.65–2.2 m | 0.57–4.0 m | 0.48–∞ m | 0.40–∞ m | 0.32–∞ m |
| 2 m | 0.96–∞ m | 0.80–∞ m | 0.63–∞ m | 0.50–∞ m | 0.38–∞ m |
| 3 m | 1.14–∞ m | 0.92–∞ m | 0.71–∞ m | 0.55–∞ m | 0.40–∞ m |
| 5 m | 1.35–∞ m | 1.04–∞ m | 0.78–∞ m | 0.59–∞ m | 0.42–∞ m |
| 10 m | 1.56–∞ m | 1.16–∞ m | 0.84–∞ m | 0.63–∞ m | 0.44–∞ m |
| 20 m | 1.69–∞ m | 1.23–∞ m | 0.88–∞ 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