Depth of field by subject distance#
24 mm at f/1.2 on Micro Four Thirds (17.3×13 mm), circle of confusion 15 µm. “Background blur” is the size of an out-of-focus light at infinity as a percentage of frame width.
| Focus distance | Near limit | Far limit | Total DoF | Front / behind | Background blur |
|---|---|---|---|---|---|
| 30.0 cm (0.98 ft) | 29.7 cm | 30.3 cm | 0.5 cm | 50% / 50% | 10.05% |
| 50.0 cm (1.64 ft) | 49.3 cm | 50.8 cm | 1.5 cm | 49% / 51% | 5.83% |
| 75.0 cm (2.46 ft) | 73.3 cm | 76.7 cm | 3.4 cm | 49% / 51% | 3.82% |
| 1.00 m (3.28 ft) | 97.0 cm | 1.03 m | 6.1 cm | 48% / 52% | 2.84% |
| 1.50 m (4.92 ft) | 1.43 m | 1.57 m | 13.9 cm | 48% / 52% | 1.88% |
| 2.00 m (6.56 ft) | 1.88 m | 2.13 m | 24.8 cm | 47% / 53% | 1.40% |
| 3.00 m (9.84 ft) | 2.74 m | 3.31 m | 56.3 cm | 45% / 55% | 0.93% |
| 4.00 m (13.1 ft) | 3.56 m | 4.57 m | 1.01 m | 44% / 56% | 0.70% |
| 5.00 m (16.4 ft) | 4.33 m | 5.92 m | 1.59 m | 42% / 58% | 0.56% |
| 7.00 m (23.0 ft) | 5.75 m | 8.95 m | 3.20 m | 39% / 61% | 0.40% |
| 10.0 m (32.8 ft) | 7.62 m | 14.5 m | 6.91 m | 34% / 66% | 0.28% |
| 15.0 m (49.2 ft) | 10.2 m | 28.2 m | 18.0 m | 27% / 73% | 0.19% |
| 20.0 m (65.6 ft) | 12.3 m | 53.2 m | 40.9 m | 19% / 81% | 0.14% |
| 30.0 m (98.4 ft) | 15.5 m | 474 m | 459 m | 3% / 97% | 0.09% |
| 50.0 m (164 ft) | 19.5 m | ∞ | ∞ | — | 0.06% |
| 100 m (328 ft) | 24.2 m | ∞ | ∞ | — | 0.03% |
Try other settings#
24 mm at other apertures (subject at 3 m)#
Other focal lengths at f/1.2#
Same lens settings on other formats#
When to use it#
At f/1.2, a 24 mm lens on Micro Four Thirds is a natural choice for environmental portraits, street and low light. Focused at 3 m you get 56.3 cm of sharp zone; for maximum front-to-back sharpness focus at 32.0 m and everything from 16.0 m to infinity will be acceptably sharp.
See also the f/1.2 aperture guide.
Frequently asked questions#
What is the depth of field of a 24mm lens at f/1.2?
On Micro Four Thirds, focused at 3 m, it is 56.3 cm; at 1 m it is 6.1 cm.
What is the hyperfocal distance for 24mm f/1.2?
32.0 m (105 ft) on Micro Four Thirds. Everything from 16.0 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources