Depth of field by subject distance#
16 mm at f/1.4 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) | 29.1 cm | 31.0 cm | 1.9 cm | 48% / 52% | 2.74% |
| 50.0 cm (1.64 ft) | 47.5 cm | 52.8 cm | 5.3 cm | 47% / 53% | 1.61% |
| 75.0 cm (2.46 ft) | 69.4 cm | 81.5 cm | 12.1 cm | 46% / 54% | 1.06% |
| 1.00 m (3.28 ft) | 90.3 cm | 1.12 m | 21.8 cm | 45% / 55% | 0.79% |
| 1.50 m (4.92 ft) | 1.29 m | 1.79 m | 50.0 cm | 42% / 58% | 0.52% |
| 2.00 m (6.56 ft) | 1.64 m | 2.55 m | 91.1 cm | 39% / 61% | 0.39% |
| 3.00 m (9.84 ft) | 2.26 m | 4.45 m | 2.19 m | 34% / 66% | 0.26% |
| 4.00 m (13.1 ft) | 2.79 m | 7.09 m | 4.30 m | 28% / 72% | 0.20% |
| 5.00 m (16.4 ft) | 3.24 m | 11.0 m | 7.76 m | 23% / 77% | 0.16% |
| 7.00 m (23.0 ft) | 3.97 m | 29.6 m | 25.7 m | 12% / 88% | 0.11% |
| 10.0 m (32.8 ft) | 4.78 m | ∞ | ∞ | — | 0.08% |
| 15.0 m (49.2 ft) | 5.68 m | ∞ | ∞ | — | 0.05% |
| 20.0 m (65.6 ft) | 6.28 m | ∞ | ∞ | — | 0.04% |
| 30.0 m (98.4 ft) | 7.01 m | ∞ | ∞ | — | 0.03% |
| 50.0 m (164 ft) | 7.73 m | ∞ | ∞ | — | 0.02% |
| 100 m (328 ft) | 8.38 m | ∞ | ∞ | — | 0.01% |
Try other settings#
16 mm at other apertures (subject at 3 m)#
Other focal lengths at f/1.4#
Same lens settings on other formats#
When to use it#
At f/1.4, a 16 mm lens on APS-C is a natural choice for environmental portraits, street and low light. Focused at 3 m you get 2.19 m of sharp zone; for maximum front-to-back sharpness focus at 9.16 m and everything from 4.58 m to infinity will be acceptably sharp.
See also the f/1.4 aperture guide.
Frequently asked questions#
What is the depth of field of a 16mm lens at f/1.4?
On APS-C, focused at 3 m, it is 2.19 m; at 1 m it is 21.8 cm.
What is the hyperfocal distance for 16mm f/1.4?
9.16 m (30.0 ft) on APS-C. Everything from 4.58 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources