41.7 m
Hyperfocal distance
20.9 m
Sharp from (focused at hyperfocal)
50 mm f/2.0
Full-frame equivalent
47°
Diagonal angle of view
Depth of field by subject distance#
50 mm at f/2 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) | 29.8 cm | 30.2 cm | 0.4 cm | 50% / 50% | 13.89% |
| 50.0 cm (1.64 ft) | 49.5 cm | 50.5 cm | 1.1 cm | 49% / 51% | 7.72% |
| 75.0 cm (2.46 ft) | 73.8 cm | 76.3 cm | 2.5 cm | 49% / 51% | 4.96% |
| 1.00 m (3.28 ft) | 97.8 cm | 1.02 m | 4.6 cm | 49% / 51% | 3.65% |
| 1.50 m (4.92 ft) | 1.45 m | 1.55 m | 10.5 cm | 48% / 52% | 2.39% |
| 2.00 m (6.56 ft) | 1.91 m | 2.10 m | 18.8 cm | 48% / 52% | 1.78% |
| 3.00 m (9.84 ft) | 2.80 m | 3.23 m | 42.7 cm | 46% / 54% | 1.18% |
| 4.00 m (13.1 ft) | 3.65 m | 4.42 m | 76.5 cm | 45% / 55% | 0.88% |
| 5.00 m (16.4 ft) | 4.47 m | 5.67 m | 1.21 m | 44% / 56% | 0.70% |
| 7.00 m (23.0 ft) | 6.00 m | 8.40 m | 2.40 m | 42% / 58% | 0.50% |
| 10.0 m (32.8 ft) | 8.07 m | 13.1 m | 5.06 m | 38% / 62% | 0.35% |
| 15.0 m (49.2 ft) | 11.0 m | 23.4 m | 12.4 m | 32% / 68% | 0.23% |
| 20.0 m (65.6 ft) | 13.5 m | 38.4 m | 24.8 m | 26% / 74% | 0.17% |
| 30.0 m (98.4 ft) | 17.5 m | 107 m | 89.2 m | 14% / 86% | 0.12% |
| 50.0 m (164 ft) | 22.7 m | ∞ | ∞ | — | 0.07% |
| 100 m (328 ft) | 29.4 m | ∞ | ∞ | — | 0.03% |
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/2#
Same lens settings on other formats#
When to use it#
At f/2, a 50 mm lens on full frame is a natural choice for portraits and subject isolation. Focused at 3 m you get 42.7 cm of sharp zone; for maximum front-to-back sharpness focus at 41.7 m and everything from 20.9 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 50mm lens at f/2?
On full frame, focused at 3 m, it is 42.7 cm; at 1 m it is 4.6 cm.
What is the hyperfocal distance for 50mm f/2?
41.7 m (137 ft) on full frame. Everything from 20.9 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources