Key numbers
- Mount / system: Canon RF (Full Frame)
- Sensor: Full Frame, 36 × 24mm
- Focal length: 70–200mm
- Aperture: f/2.8 to f/32
- DoF at 3 m, 135mm, f/2.8: 2.96–3.04 m (≈ 8 cm deep)
- Hyperfocal distance (135mm, f/8): 79.1 m
Depth of field table
Distances are measured from the sensor plane. Each cell shows the near and far limit of acceptable sharpness in metres (∞ = to infinity). Circle of confusion = sensor diagonal / 1500.
70 mm
| Aperture | Hyperfocal | 1 m | 2 m | 3 m | 5 m | 10 m |
|---|---|---|---|---|---|---|
| f/2.8 | 60.7 m | 0.98–1.02 | 1.94–2.07 | 2.86–3.15 | 4.62–5.44 | 8.59–12.0 |
| f/4 | 42.5 m | 0.98–1.02 | 1.91–2.10 | 2.81–3.22 | 4.48–5.66 | 8.11–13.0 |
| f/5.6 | 30.4 m | 0.97–1.03 | 1.88–2.14 | 2.74–3.32 | 4.30–5.97 | 7.54–14.8 |
| f/8 | 21.3 m | 0.96–1.05 | 1.83–2.20 | 2.64–3.48 | 4.06–6.51 | 6.82–18.7 |
| f/11 | 15.5 m | 0.94–1.06 | 1.78–2.28 | 2.52–3.70 | 3.79–7.33 | 6.10–27.8 |
| f/16 | 10.7 m | 0.92–1.10 | 1.69–2.44 | 2.35–4.13 | 3.42–9.28 | 5.18–141 |
| f/22 | 7.79 m | 0.89–1.14 | 1.60–2.66 | 2.18–4.81 | 3.06–13.6 | 4.40–∞ |
| f/32 | 5.38 m | 0.85–1.21 | 1.47–3.12 | 1.94–6.59 | 2.61–59.9 | 3.51–∞ |
135 mm
| Aperture | Hyperfocal | 1 m | 2 m | 3 m | 5 m | 10 m |
|---|---|---|---|---|---|---|
| f/2.8 | 226 m | 1.00–1.00 | 1.98–2.02 | 2.96–3.04 | 4.89–5.11 | 9.58–10.5 |
| f/4 | 158 m | 0.99–1.01 | 1.98–2.02 | 2.95–3.06 | 4.85–5.16 | 9.41–10.7 |
| f/5.6 | 113 m | 0.99–1.01 | 1.97–2.03 | 2.93–3.08 | 4.79–5.23 | 9.20–11.0 |
| f/8 | 79.1 m | 0.99–1.01 | 1.95–2.05 | 2.90–3.11 | 4.71–5.33 | 8.89–11.4 |
| f/11 | 57.6 m | 0.99–1.02 | 1.94–2.07 | 2.86–3.16 | 4.61–5.46 | 8.54–12.1 |
| f/16 | 39.6 m | 0.98–1.02 | 1.91–2.10 | 2.80–3.23 | 4.45–5.70 | 8.01–13.3 |
| f/22 | 28.9 m | 0.97–1.03 | 1.88–2.14 | 2.73–3.33 | 4.28–6.01 | 7.45–15.2 |
| f/32 | 19.9 m | 0.96–1.05 | 1.83–2.21 | 2.62–3.51 | 4.02–6.62 | 6.68–19.9 |
200 mm
| Aperture | Hyperfocal | 1 m | 2 m | 3 m | 5 m | 10 m |
|---|---|---|---|---|---|---|
| f/2.8 | 495 m | 1.00–1.00 | 1.99–2.01 | 2.98–3.02 | 4.95–5.05 | 9.81–10.2 |
| f/4 | 347 m | 1.00–1.00 | 1.99–2.01 | 2.98–3.02 | 4.93–5.07 | 9.73–10.3 |
| f/5.6 | 248 m | 1.00–1.00 | 1.99–2.01 | 2.97–3.03 | 4.91–5.10 | 9.62–10.4 |
| f/8 | 174 m | 1.00–1.00 | 1.98–2.02 | 2.95–3.05 | 4.87–5.14 | 9.47–10.6 |
| f/11 | 126 m | 0.99–1.01 | 1.97–2.03 | 2.93–3.07 | 4.82–5.20 | 9.28–10.8 |
| f/16 | 86.9 m | 0.99–1.01 | 1.96–2.04 | 2.91–3.10 | 4.74–5.29 | 8.99–11.3 |
| f/22 | 63.2 m | 0.99–1.01 | 1.94–2.06 | 2.87–3.14 | 4.65–5.41 | 8.66–11.8 |
| f/32 | 43.5 m | 0.98–1.02 | 1.92–2.09 | 2.82–3.21 | 4.50–5.62 | 8.16–12.9 |
FAQ
What is the depth of field of the Canon RF 70-200mm F2.8L IS USM at f/2.8 and 3 m?
At 135mm, f/2.8 and focus at 3 m, acceptable sharpness runs from 2.96 to 3.04 m — about 8 cm in total.
What is the hyperfocal distance of the Canon RF 70-200mm F2.8L IS USM?
At 135mm and f/8 on a Full Frame sensor the hyperfocal distance is about 79.1 m. Focus there and everything from 39.6 m to infinity is sharp.
How do I get more background blur with the Canon RF 70-200mm F2.8L IS USM?
Open the aperture to f/2.8, move closer to your subject and increase the distance between subject and background, and zoom in to the long end. You can check the result in the calculator above.
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