3.51 m
Hyperfocal distance
1.76 m
Sharp from (focused at hyperfocal)
21 mm f/4.3
Full-frame equivalent
90°
Diagonal angle of view
Depth of field by subject distance#
14 mm at f/2.8 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) | 27.7 cm | 32.7 cm | 4.9 cm | 46% / 54% | 1.04% |
| 50.0 cm (1.64 ft) | 43.9 cm | 58.1 cm | 14.2 cm | 43% / 57% | 0.61% |
| 75.0 cm (2.46 ft) | 62.0 cm | 95.0 cm | 33.0 cm | 39% / 61% | 0.40% |
| 1.00 m (3.28 ft) | 78.0 cm | 1.39 m | 61.2 cm | 36% / 64% | 0.30% |
| 1.50 m (4.92 ft) | 1.05 m | 2.61 m | 1.55 m | 29% / 71% | 0.20% |
| 2.00 m (6.56 ft) | 1.28 m | 4.62 m | 3.35 m | 22% / 78% | 0.15% |
| 3.00 m (9.84 ft) | 1.62 m | 20.4 m | 18.8 m | 7% / 93% | 0.10% |
| 4.00 m (13.1 ft) | 1.87 m | ∞ | ∞ | — | 0.07% |
| 5.00 m (16.4 ft) | 2.06 m | ∞ | ∞ | — | 0.06% |
| 7.00 m (23.0 ft) | 2.34 m | ∞ | ∞ | — | 0.04% |
| 10.0 m (32.8 ft) | 2.60 m | ∞ | ∞ | — | 0.03% |
| 15.0 m (49.2 ft) | 2.84 m | ∞ | ∞ | — | 0.02% |
| 20.0 m (65.6 ft) | 2.98 m | ∞ | ∞ | — | 0.01% |
| 30.0 m (98.4 ft) | 3.14 m | ∞ | ∞ | — | 0.01% |
| 50.0 m (164 ft) | 3.27 m | ∞ | ∞ | — | 0.01% |
| 100 m (328 ft) | 3.38 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/2.8#
Same lens settings on other formats#
When to use it#
At f/2.8, a 14 mm lens on APS-C is a natural choice for environmental portraits, street and low light. Focused at 3 m you get 18.8 m of sharp zone; for maximum front-to-back sharpness focus at 3.51 m and everything from 1.76 m to infinity will be acceptably sharp.
See also the f/2.8 aperture guide.
Frequently asked questions#
What is the depth of field of a 14mm lens at f/2.8?
On APS-C, focused at 3 m, it is 18.8 m; at 1 m it is 61.2 cm.
What is the hyperfocal distance for 14mm f/2.8?
3.51 m (11.5 ft) on APS-C. Everything from 1.76 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources