59.6 m
Hyperfocal distance
29.8 m
Sharp from (focused at hyperfocal)
50 mm f/1.4
Full-frame equivalent
47°
Diagonal angle of view
Depth of field by subject distance#
50 mm at f/1.4 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) | 29.9 cm | 30.1 cm | 0.3 cm | 50% / 50% | 19.84% |
| 50.0 cm (1.64 ft) | 49.6 cm | 50.4 cm | 0.8 cm | 50% / 50% | 11.02% |
| 75.0 cm (2.46 ft) | 74.1 cm | 75.9 cm | 1.8 cm | 49% / 51% | 7.09% |
| 1.00 m (3.28 ft) | 98.4 cm | 1.02 m | 3.2 cm | 49% / 51% | 5.22% |
| 1.50 m (4.92 ft) | 1.46 m | 1.54 m | 7.3 cm | 49% / 51% | 3.42% |
| 2.00 m (6.56 ft) | 1.94 m | 2.07 m | 13.1 cm | 48% / 52% | 2.54% |
| 3.00 m (9.84 ft) | 2.86 m | 3.16 m | 29.8 cm | 48% / 52% | 1.68% |
| 4.00 m (13.1 ft) | 3.75 m | 4.28 m | 53.3 cm | 47% / 53% | 1.26% |
| 5.00 m (16.4 ft) | 4.62 m | 5.45 m | 83.7 cm | 46% / 54% | 1.00% |
| 7.00 m (23.0 ft) | 6.27 m | 7.93 m | 1.66 m | 44% / 56% | 0.71% |
| 10.0 m (32.8 ft) | 8.57 m | 12.0 m | 3.44 m | 42% / 58% | 0.50% |
| 15.0 m (49.2 ft) | 12.0 m | 20.0 m | 8.04 m | 37% / 63% | 0.33% |
| 20.0 m (65.6 ft) | 15.0 m | 30.1 m | 15.1 m | 33% / 67% | 0.25% |
| 30.0 m (98.4 ft) | 20.0 m | 60.4 m | 40.4 m | 25% / 75% | 0.17% |
| 50.0 m (164 ft) | 27.2 m | 311 m | 284 m | 8% / 92% | 0.10% |
| 100 m (328 ft) | 37.3 m | ∞ | ∞ | — | 0.05% |
Try other settings#
Near limit—
Far limit—
Depth of field—
Hyperfocal distance—
In front / behind—
50 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 50 mm lens on full frame is a natural choice for portraits and subject isolation. Focused at 3 m you get 29.8 cm of sharp zone; for maximum front-to-back sharpness focus at 59.6 m and everything from 29.8 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 50mm lens at f/1.4?
On full frame, focused at 3 m, it is 29.8 cm; at 1 m it is 3.2 cm.
What is the hyperfocal distance for 50mm f/1.4?
59.6 m (195 ft) on full frame. Everything from 29.8 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources