Front-to-back sharpness for a 135 mm lens on Medium format (44×33): 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: 135 mm on Medium format (44×33)
| Aperture | Hyperfocal (m) | Hyperfocal (ft) | Sharp from (m) | Sharp from (ft) |
|---|---|---|---|---|
| f/1.4 | 342.71 m | 1124.4 ft | 171.36 m | 562.2 ft |
| f/1.8 | 266.58 m | 874.6 ft | 133.29 m | 437.3 ft |
| f/2 | 239.94 m | 787.2 ft | 119.97 m | 393.6 ft |
| f/2.8 | 171.42 m | 562.4 ft | 85.71 m | 281.2 ft |
| f/4 | 120.04 m | 393.8 ft | 60.02 m | 196.9 ft |
| f/5.6 | 85.78 m | 281.4 ft | 42.89 m | 140.7 ft |
| f/8 | 60.09 m | 197.1 ft | 30.04 m | 98.6 ft |
| f/11 | 43.74 m | 143.5 ft | 21.87 m | 71.7 ft |
| f/16 | 30.11 m | 98.8 ft | 15.06 m | 49.4 ft |
| f/22 | 21.94 m | 72.0 ft | 10.97 m | 36.0 ft |
Circle of confusion 0.038 mm. A 135 mm lens on this sensor frames like 107 mm on full frame.
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