4.76 m
Hyperfocal distance
2.38 m
Sharp from (focused at hyperfocal)
16 mm f/1.8
Full-frame equivalent
107°
Diagonal angle of view
Depth of field by subject distance#
16 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) | 28.3 cm | 31.9 cm | 3.6 cm | 47% / 53% | 1.39% |
| 50.0 cm (1.64 ft) | 45.4 cm | 55.7 cm | 10.3 cm | 45% / 55% | 0.82% |
| 75.0 cm (2.46 ft) | 64.9 cm | 88.7 cm | 23.8 cm | 42% / 58% | 0.54% |
| 1.00 m (3.28 ft) | 82.8 cm | 1.26 m | 43.4 cm | 40% / 60% | 0.40% |
| 1.50 m (4.92 ft) | 1.14 m | 2.18 m | 1.04 m | 34% / 66% | 0.27% |
| 2.00 m (6.56 ft) | 1.41 m | 3.44 m | 2.03 m | 29% / 71% | 0.20% |
| 3.00 m (9.84 ft) | 1.84 m | 8.10 m | 6.25 m | 19% / 81% | 0.13% |
| 4.00 m (13.1 ft) | 2.17 m | 25.1 m | 22.9 m | 8% / 92% | 0.10% |
| 5.00 m (16.4 ft) | 2.44 m | ∞ | ∞ | — | 0.08% |
| 7.00 m (23.0 ft) | 2.83 m | ∞ | ∞ | — | 0.06% |
| 10.0 m (32.8 ft) | 3.22 m | ∞ | ∞ | — | 0.04% |
| 15.0 m (49.2 ft) | 3.61 m | ∞ | ∞ | — | 0.03% |
| 20.0 m (65.6 ft) | 3.83 m | ∞ | ∞ | — | 0.02% |
| 30.0 m (98.4 ft) | 4.10 m | ∞ | ∞ | — | 0.01% |
| 50.0 m (164 ft) | 4.33 m | ∞ | ∞ | — | 0.01% |
| 100 m (328 ft) | 4.53 m | ∞ | ∞ | — | 0.00% |
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/1.8#
Same lens settings on other formats#
When to use it#
At f/1.8, a 16 mm lens on full frame is a natural choice for environmental portraits, street and low light. Focused at 3 m you get 6.25 m of sharp zone; for maximum front-to-back sharpness focus at 4.76 m and everything from 2.38 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 16mm lens at f/1.8?
On full frame, focused at 3 m, it is 6.25 m; at 1 m it is 43.4 cm.
What is the hyperfocal distance for 16mm f/1.8?
4.76 m (15.6 ft) on full frame. Everything from 2.38 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources