92.6 m
Hyperfocal distance
46.3 m
Sharp from (focused at hyperfocal)
100 mm f/3.6
Full-frame equivalent
24°
Diagonal angle of view
Depth of field by subject distance#
50 mm at f/1.8 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% | 32.11% |
| 50.0 cm (1.64 ft) | 49.8 cm | 50.2 cm | 0.5 cm | 50% / 50% | 17.84% |
| 75.0 cm (2.46 ft) | 74.4 cm | 75.6 cm | 1.1 cm | 50% / 50% | 11.47% |
| 1.00 m (3.28 ft) | 99.0 cm | 1.01 m | 2.1 cm | 49% / 51% | 8.45% |
| 1.50 m (4.92 ft) | 1.48 m | 1.52 m | 4.7 cm | 49% / 51% | 5.54% |
| 2.00 m (6.56 ft) | 1.96 m | 2.04 m | 8.4 cm | 49% / 51% | 4.12% |
| 3.00 m (9.84 ft) | 2.91 m | 3.10 m | 19.1 cm | 48% / 52% | 2.72% |
| 4.00 m (13.1 ft) | 3.84 m | 4.18 m | 34.2 cm | 48% / 52% | 2.03% |
| 5.00 m (16.4 ft) | 4.75 m | 5.28 m | 53.6 cm | 47% / 53% | 1.62% |
| 7.00 m (23.0 ft) | 6.51 m | 7.57 m | 1.06 m | 46% / 54% | 1.16% |
| 10.0 m (32.8 ft) | 9.03 m | 11.2 m | 2.17 m | 45% / 55% | 0.81% |
| 15.0 m (49.2 ft) | 12.9 m | 17.9 m | 4.97 m | 42% / 58% | 0.54% |
| 20.0 m (65.6 ft) | 16.5 m | 25.5 m | 9.04 m | 39% / 61% | 0.40% |
| 30.0 m (98.4 ft) | 22.7 m | 44.3 m | 21.7 m | 34% / 66% | 0.27% |
| 50.0 m (164 ft) | 32.5 m | 109 m | 76.1 m | 23% / 77% | 0.16% |
| 100 m (328 ft) | 48.1 m | ∞ | ∞ | — | 0.08% |
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/1.8#
Same lens settings on other formats#
When to use it#
At f/1.8, a 50 mm lens on Micro Four Thirds is a natural choice for portraits and subject isolation. Focused at 3 m you get 19.1 cm of sharp zone; for maximum front-to-back sharpness focus at 92.6 m and everything from 46.3 m to infinity will be acceptably sharp.
See also the f/1.8 aperture guide.
Frequently asked questions#
What is the depth of field of a 50mm lens at f/1.8?
On Micro Four Thirds, focused at 3 m, it is 19.1 cm; at 1 m it is 2.1 cm.
What is the hyperfocal distance for 50mm f/1.8?
92.6 m (304 ft) on Micro Four Thirds. Everything from 46.3 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources