5.46 m
Hyperfocal distance
2.73 m
Sharp from (focused at hyperfocal)
21 mm f/2.8
Full-frame equivalent
90°
Diagonal angle of view
Depth of field by subject distance#
14 mm at f/1.8 on APS-C (23.5×15.6 mm), circle of confusion 20 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) | 28.5 cm | 31.7 cm | 3.2 cm | 47% / 53% | 1.62% |
| 50.0 cm (1.64 ft) | 45.9 cm | 54.9 cm | 9.0 cm | 46% / 54% | 0.95% |
| 75.0 cm (2.46 ft) | 66.1 cm | 86.7 cm | 20.7 cm | 43% / 57% | 0.63% |
| 1.00 m (3.28 ft) | 84.7 cm | 1.22 m | 37.4 cm | 41% / 59% | 0.47% |
| 1.50 m (4.92 ft) | 1.18 m | 2.06 m | 88.5 cm | 36% / 64% | 0.31% |
| 2.00 m (6.56 ft) | 1.47 m | 3.15 m | 1.68 m | 32% / 68% | 0.23% |
| 3.00 m (9.84 ft) | 1.94 m | 6.64 m | 4.71 m | 23% / 77% | 0.16% |
| 4.00 m (13.1 ft) | 2.31 m | 14.9 m | 12.6 m | 13% / 87% | 0.12% |
| 5.00 m (16.4 ft) | 2.61 m | 59.4 m | 56.8 m | 4% / 96% | 0.09% |
| 7.00 m (23.0 ft) | 3.07 m | ∞ | ∞ | — | 0.07% |
| 10.0 m (32.8 ft) | 3.53 m | ∞ | ∞ | — | 0.05% |
| 15.0 m (49.2 ft) | 4.00 m | ∞ | ∞ | — | 0.03% |
| 20.0 m (65.6 ft) | 4.28 m | ∞ | ∞ | — | 0.02% |
| 30.0 m (98.4 ft) | 4.61 m | ∞ | ∞ | — | 0.02% |
| 50.0 m (164 ft) | 4.91 m | ∞ | ∞ | — | 0.01% |
| 100 m (328 ft) | 5.16 m | ∞ | ∞ | — | 0.00% |
Try other settings#
Near limit—
Far limit—
Depth of field—
Hyperfocal distance—
In front / behind—
14 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 14 mm lens on APS-C is a natural choice for environmental portraits, street and low light. Focused at 3 m you get 4.71 m of sharp zone; for maximum front-to-back sharpness focus at 5.46 m and everything from 2.73 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 14mm lens at f/1.8?
On APS-C, focused at 3 m, it is 4.71 m; at 1 m it is 37.4 cm.
What is the hyperfocal distance for 14mm f/1.8?
5.46 m (17.9 ft) on APS-C. Everything from 2.73 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources