6.42 m
Hyperfocal distance
3.21 m
Sharp from (focused at hyperfocal)
25 mm f/3.1
Full-frame equivalent
83°
Diagonal angle of view
Depth of field by subject distance#
16 mm at f/2 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) | 28.7 cm | 31.4 cm | 2.7 cm | 48% / 52% | 1.92% |
| 50.0 cm (1.64 ft) | 46.5 cm | 54.1 cm | 7.6 cm | 46% / 54% | 1.13% |
| 75.0 cm (2.46 ft) | 67.3 cm | 84.7 cm | 17.4 cm | 44% / 56% | 0.74% |
| 1.00 m (3.28 ft) | 86.7 cm | 1.18 m | 31.5 cm | 42% / 58% | 0.55% |
| 1.50 m (4.92 ft) | 1.22 m | 1.95 m | 73.5 cm | 38% / 62% | 0.37% |
| 2.00 m (6.56 ft) | 1.53 m | 2.90 m | 1.37 m | 34% / 66% | 0.27% |
| 3.00 m (9.84 ft) | 2.05 m | 5.62 m | 3.57 m | 27% / 73% | 0.18% |
| 4.00 m (13.1 ft) | 2.47 m | 10.6 m | 8.13 m | 19% / 81% | 0.14% |
| 5.00 m (16.4 ft) | 2.81 m | 22.6 m | 19.8 m | 11% / 89% | 0.11% |
| 7.00 m (23.0 ft) | 3.35 m | ∞ | ∞ | — | 0.08% |
| 10.0 m (32.8 ft) | 3.91 m | ∞ | ∞ | — | 0.05% |
| 15.0 m (49.2 ft) | 4.49 m | ∞ | ∞ | — | 0.04% |
| 20.0 m (65.6 ft) | 4.85 m | ∞ | ∞ | — | 0.03% |
| 30.0 m (98.4 ft) | 5.28 m | ∞ | ∞ | — | 0.02% |
| 50.0 m (164 ft) | 5.68 m | ∞ | ∞ | — | 0.01% |
| 100 m (328 ft) | 6.02 m | ∞ | ∞ | — | 0.01% |
Try other settings#
Near limit—
Far limit—
Depth of field—
Hyperfocal distance—
In front / behind—
16 mm at other apertures (subject at 3 m)#
Other focal lengths at f/2#
Same lens settings on other formats#
When to use it#
At f/2, a 16 mm lens on APS-C is a natural choice for environmental portraits, street and low light. Focused at 3 m you get 3.57 m of sharp zone; for maximum front-to-back sharpness focus at 6.42 m and everything from 3.21 m to infinity will be acceptably sharp.
See also the f/2 aperture guide.
Frequently asked questions#
What is the depth of field of a 16mm lens at f/2?
On APS-C, focused at 3 m, it is 3.57 m; at 1 m it is 31.5 cm.
What is the hyperfocal distance for 16mm f/2?
6.42 m (21.0 ft) on APS-C. Everything from 3.21 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources