Depth of field by subject distance#
35 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) | 29.8 cm | 30.2 cm | 0.4 cm | 50% / 50% | 14.05% |
| 50.0 cm (1.64 ft) | 49.5 cm | 50.5 cm | 1.1 cm | 49% / 51% | 8.01% |
| 75.0 cm (2.46 ft) | 73.8 cm | 76.2 cm | 2.5 cm | 49% / 51% | 5.21% |
| 1.00 m (3.28 ft) | 97.8 cm | 1.02 m | 4.4 cm | 49% / 51% | 3.86% |
| 1.50 m (4.92 ft) | 1.45 m | 1.55 m | 10.1 cm | 48% / 52% | 2.54% |
| 2.00 m (6.56 ft) | 1.91 m | 2.09 m | 18.0 cm | 48% / 52% | 1.89% |
| 3.00 m (9.84 ft) | 2.81 m | 3.22 m | 40.9 cm | 47% / 53% | 1.26% |
| 4.00 m (13.1 ft) | 3.67 m | 4.40 m | 73.1 cm | 45% / 55% | 0.94% |
| 5.00 m (16.4 ft) | 4.49 m | 5.64 m | 1.15 m | 44% / 56% | 0.75% |
| 7.00 m (23.0 ft) | 6.04 m | 8.33 m | 2.29 m | 42% / 58% | 0.53% |
| 10.0 m (32.8 ft) | 8.14 m | 12.9 m | 4.80 m | 39% / 61% | 0.37% |
| 15.0 m (49.2 ft) | 11.2 m | 22.8 m | 11.6 m | 33% / 67% | 0.25% |
| 20.0 m (65.6 ft) | 13.7 m | 36.8 m | 23.1 m | 27% / 73% | 0.19% |
| 30.0 m (98.4 ft) | 17.8 m | 95.2 m | 77.4 m | 16% / 84% | 0.12% |
| 50.0 m (164 ft) | 23.3 m | ∞ | ∞ | — | 0.07% |
| 100 m (328 ft) | 30.4 m | ∞ | ∞ | — | 0.04% |
Try other settings#
35 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 35 mm lens on APS-C is a natural choice for environmental portraits, street and low light. Focused at 3 m you get 40.9 cm of sharp zone; for maximum front-to-back sharpness focus at 43.8 m and everything from 21.9 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 35mm lens at f/1.4?
On APS-C, focused at 3 m, it is 40.9 cm; at 1 m it is 4.4 cm.
What is the hyperfocal distance for 35mm f/1.4?
43.8 m (144 ft) on APS-C. Everything from 21.9 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources