Front-to-back sharpness for a 20 mm lens on Micro Four Thirds: focus at the hyperfocal distance and everything from half that distance to infinity is acceptably sharp.
The chart lists every aperture in meters and feet; the calculator above it is preset to these values so you can try other settings.
Hyperfocal distance chart: 20 mm on Micro Four Thirds
| Aperture | Hyperfocal (m) | Hyperfocal (ft) | Sharp from (m) | Sharp from (ft) |
|---|---|---|---|---|
| f/1.4 | 19.07 m | 62.6 ft | 9.53 m | 31.3 ft |
| f/1.8 | 14.83 m | 48.7 ft | 7.42 m | 24.3 ft |
| f/2 | 13.35 m | 43.8 ft | 6.68 m | 21.9 ft |
| f/2.8 | 9.54 m | 31.3 ft | 4.77 m | 15.7 ft |
| f/4 | 6.69 m | 21.9 ft | 3.34 m | 11.0 ft |
| f/5.6 | 4.78 m | 15.7 ft | 2.39 m | 7.8 ft |
| f/8 | 3.35 m | 11.0 ft | 1.68 m | 5.5 ft |
| f/11 | 2.44 m | 8.0 ft | 1.22 m | 4.0 ft |
| f/16 | 1.69 m | 5.5 ft | 0.84 m | 2.8 ft |
| f/22 | 1.23 m | 4.0 ft | 0.62 m | 2.0 ft |
Circle of confusion 0.015 mm. A 20 mm lens on this sensor frames like 40 mm on full frame.
Other focal lengths
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