26.2 m
Hyperfocal distance
13.1 m
Sharp from (focused at hyperfocal)
56 mm f/4.0
Full-frame equivalent
42°
Diagonal angle of view
Depth of field by subject distance#
28 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) | 29.7 cm | 30.3 cm | 0.6 cm | 49% / 51% | 8.33% |
| 50.0 cm (1.64 ft) | 49.1 cm | 50.9 cm | 1.8 cm | 49% / 51% | 4.80% |
| 75.0 cm (2.46 ft) | 73.0 cm | 77.1 cm | 4.1 cm | 49% / 51% | 3.14% |
| 1.00 m (3.28 ft) | 96.4 cm | 1.04 m | 7.4 cm | 48% / 52% | 2.33% |
| 1.50 m (4.92 ft) | 1.42 m | 1.59 m | 17.0 cm | 47% / 53% | 1.54% |
| 2.00 m (6.56 ft) | 1.86 m | 2.16 m | 30.4 cm | 46% / 54% | 1.15% |
| 3.00 m (9.84 ft) | 2.69 m | 3.38 m | 69.1 cm | 44% / 56% | 0.76% |
| 4.00 m (13.1 ft) | 3.47 m | 4.72 m | 1.24 m | 42% / 58% | 0.57% |
| 5.00 m (16.4 ft) | 4.20 m | 6.17 m | 1.97 m | 40% / 60% | 0.46% |
| 7.00 m (23.0 ft) | 5.53 m | 9.55 m | 4.02 m | 37% / 63% | 0.32% |
| 10.0 m (32.8 ft) | 7.24 m | 16.2 m | 8.93 m | 31% / 69% | 0.23% |
| 15.0 m (49.2 ft) | 9.54 m | 35.1 m | 25.6 m | 21% / 79% | 0.15% |
| 20.0 m (65.6 ft) | 11.3 m | 84.8 m | 73.5 m | 12% / 88% | 0.11% |
| 30.0 m (98.4 ft) | 14.0 m | ∞ | ∞ | — | 0.08% |
| 50.0 m (164 ft) | 17.2 m | ∞ | ∞ | — | 0.05% |
| 100 m (328 ft) | 20.7 m | ∞ | ∞ | — | 0.02% |
Try other settings#
Near limit—
Far limit—
Depth of field—
Hyperfocal distance—
In front / behind—
28 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 28 mm lens on Micro Four Thirds is a natural choice for environmental portraits, street and low light. Focused at 3 m you get 69.1 cm of sharp zone; for maximum front-to-back sharpness focus at 26.2 m and everything from 13.1 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 28mm lens at f/2?
On Micro Four Thirds, focused at 3 m, it is 69.1 cm; at 1 m it is 7.4 cm.
What is the hyperfocal distance for 28mm f/2?
26.2 m (85.8 ft) on Micro Four Thirds. Everything from 13.1 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources