83.4 m
Hyperfocal distance
41.7 m
Sharp from (focused at hyperfocal)
100 mm f/4.0
Full-frame equivalent
24°
Diagonal angle of view
Depth of field by subject distance#
50 mm at f/2 on Micro Four Thirds (17.3×13 mm), circle of confusion 15 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 | 0.2 cm | 50% / 50% | 28.90% |
| 50.0 cm (1.64 ft) | 49.7 cm | 50.3 cm | 0.5 cm | 50% / 50% | 16.06% |
| 75.0 cm (2.46 ft) | 74.4 cm | 75.6 cm | 1.3 cm | 50% / 50% | 10.32% |
| 1.00 m (3.28 ft) | 98.9 cm | 1.01 m | 2.3 cm | 49% / 51% | 7.61% |
| 1.50 m (4.92 ft) | 1.47 m | 1.53 m | 5.2 cm | 49% / 51% | 4.98% |
| 2.00 m (6.56 ft) | 1.95 m | 2.05 m | 9.4 cm | 49% / 51% | 3.71% |
| 3.00 m (9.84 ft) | 2.90 m | 3.11 m | 21.3 cm | 48% / 52% | 2.45% |
| 4.00 m (13.1 ft) | 3.82 m | 4.20 m | 38.0 cm | 48% / 52% | 1.83% |
| 5.00 m (16.4 ft) | 4.72 m | 5.32 m | 59.6 cm | 47% / 53% | 1.46% |
| 7.00 m (23.0 ft) | 6.46 m | 7.64 m | 1.18 m | 46% / 54% | 1.04% |
| 10.0 m (32.8 ft) | 8.93 m | 11.4 m | 2.42 m | 44% / 56% | 0.73% |
| 15.0 m (49.2 ft) | 12.7 m | 18.3 m | 5.56 m | 41% / 59% | 0.48% |
| 20.0 m (65.6 ft) | 16.1 m | 26.3 m | 10.2 m | 38% / 62% | 0.36% |
| 30.0 m (98.4 ft) | 22.1 m | 46.8 m | 24.8 m | 32% / 68% | 0.24% |
| 50.0 m (164 ft) | 31.3 m | 125 m | 93.6 m | 20% / 80% | 0.14% |
| 100 m (328 ft) | 45.5 m | ∞ | ∞ | — | 0.07% |
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 Micro Four Thirds is a natural choice for portraits and subject isolation. Focused at 3 m you get 21.3 cm of sharp zone; for maximum front-to-back sharpness focus at 83.4 m and everything from 41.7 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 Micro Four Thirds, focused at 3 m, it is 21.3 cm; at 1 m it is 2.3 cm.
What is the hyperfocal distance for 50mm f/2?
83.4 m (274 ft) on Micro Four Thirds. Everything from 41.7 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources