10.7 m
Hyperfocal distance
5.35 m
Sharp from (focused at hyperfocal)
24 mm f/1.8
Full-frame equivalent
84°
Diagonal angle of view
Depth of field by subject distance#
24 mm at f/1.8 on full frame (36×24 mm), circle of confusion 30 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) | 29.2 cm | 30.8 cm | 1.6 cm | 49% / 51% | 3.22% |
| 50.0 cm (1.64 ft) | 47.9 cm | 52.3 cm | 4.5 cm | 48% / 52% | 1.87% |
| 75.0 cm (2.46 ft) | 70.2 cm | 80.5 cm | 10.3 cm | 47% / 53% | 1.22% |
| 1.00 m (3.28 ft) | 91.6 cm | 1.10 m | 18.5 cm | 45% / 55% | 0.91% |
| 1.50 m (4.92 ft) | 1.32 m | 1.74 m | 42.3 cm | 43% / 57% | 0.60% |
| 2.00 m (6.56 ft) | 1.69 m | 2.45 m | 76.7 cm | 41% / 59% | 0.45% |
| 3.00 m (9.84 ft) | 2.35 m | 4.16 m | 1.82 m | 36% / 64% | 0.30% |
| 4.00 m (13.1 ft) | 2.91 m | 6.38 m | 3.46 m | 31% / 69% | 0.22% |
| 5.00 m (16.4 ft) | 3.41 m | 9.37 m | 5.96 m | 27% / 73% | 0.18% |
| 7.00 m (23.0 ft) | 4.23 m | 20.2 m | 16.0 m | 17% / 83% | 0.13% |
| 10.0 m (32.8 ft) | 5.17 m | 154 m | 149 m | 3% / 97% | 0.09% |
| 15.0 m (49.2 ft) | 6.24 m | ∞ | ∞ | — | 0.06% |
| 20.0 m (65.6 ft) | 6.96 m | ∞ | ∞ | — | 0.04% |
| 30.0 m (98.4 ft) | 7.87 m | ∞ | ∞ | — | 0.03% |
| 50.0 m (164 ft) | 8.79 m | ∞ | ∞ | — | 0.02% |
| 100 m (328 ft) | 9.64 m | ∞ | ∞ | — | 0.01% |
Try other settings#
Near limit—
Far limit—
Depth of field—
Hyperfocal distance—
In front / behind—
24 mm at other apertures (subject at 3 m)#
Other focal lengths at f/1.8#
Same lens settings on other formats#
When to use it#
At f/1.8, a 24 mm lens on full frame is a natural choice for environmental portraits, street and low light. Focused at 3 m you get 1.82 m of sharp zone; for maximum front-to-back sharpness focus at 10.7 m and everything from 5.35 m to infinity will be acceptably sharp.
See also the f/1.8 aperture guide.
Frequently asked questions#
What is the depth of field of a 24mm lens at f/1.8?
On full frame, focused at 3 m, it is 1.82 m; at 1 m it is 18.5 cm.
What is the hyperfocal distance for 24mm f/1.8?
10.7 m (35.1 ft) on full frame. Everything from 5.35 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources