Depth of field by subject distance#
105 mm at f/5.6 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) | 30.0 cm | 30.0 cm | 0.1 cm | 50% / 50% | 58.36% |
| 50.0 cm (1.64 ft) | 49.8 cm | 50.2 cm | 0.3 cm | 50% / 50% | 28.81% |
| 75.0 cm (2.46 ft) | 74.6 cm | 75.4 cm | 0.7 cm | 50% / 50% | 17.64% |
| 1.00 m (3.28 ft) | 99.3 cm | 1.01 m | 1.4 cm | 50% / 50% | 12.72% |
| 1.50 m (4.92 ft) | 1.48 m | 1.52 m | 3.2 cm | 49% / 51% | 8.16% |
| 2.00 m (6.56 ft) | 1.97 m | 2.03 m | 5.8 cm | 49% / 51% | 6.01% |
| 3.00 m (9.84 ft) | 2.94 m | 3.07 m | 13.2 cm | 49% / 51% | 3.93% |
| 4.00 m (13.1 ft) | 3.88 m | 4.12 m | 23.8 cm | 49% / 51% | 2.92% |
| 5.00 m (16.4 ft) | 4.82 m | 5.19 m | 37.3 cm | 48% / 52% | 2.32% |
| 7.00 m (23.0 ft) | 6.65 m | 7.39 m | 73.8 cm | 47% / 53% | 1.65% |
| 10.0 m (32.8 ft) | 9.30 m | 10.8 m | 1.52 m | 46% / 54% | 1.15% |
| 15.0 m (49.2 ft) | 13.5 m | 16.9 m | 3.45 m | 44% / 56% | 0.76% |
| 20.0 m (65.6 ft) | 17.4 m | 23.6 m | 6.21 m | 42% / 58% | 0.57% |
| 30.0 m (98.4 ft) | 24.4 m | 38.8 m | 14.4 m | 39% / 61% | 0.38% |
| 50.0 m (164 ft) | 36.2 m | 80.7 m | 44.4 m | 31% / 69% | 0.23% |
| 100 m (328 ft) | 56.8 m | 419 m | 362 m | 12% / 88% | 0.11% |
Try other settings#
105 mm at other apertures (subject at 3 m)#
Other focal lengths at f/5.6#
| Focal length | Subject at | Total DoF |
|---|---|---|
| 14 mm | 3.00 m | ∞ |
| 16 mm | 3.00 m | 142 m |
| 20 mm | 3.00 m | 6.17 m |
| 24 mm | 3.00 m | 3.21 m |
| 28 mm | 3.00 m | 2.13 m |
| 35 mm | 3.00 m | 1.27 m |
| 40 mm | 3.00 m | 95.5 cm |
| 50 mm | 3.00 m | 60.1 cm |
| 85 mm | 3.00 m | 20.4 cm |
| 105 mm | 3.00 m | 13.2 cm |
| 135 mm | 3.00 m | 7.9 cm |
| 200 mm | 10.0 m | 41.2 cm |
| 300 mm | 10.0 m | 18.1 cm |
| 400 mm | 10.0 m | 10.1 cm |
| 600 mm | 10.0 m | 4.4 cm |
Same lens settings on other formats#
When to use it#
At f/5.6, a 105 mm lens on Micro Four Thirds is a natural choice for general photography. Focused at 3 m you get 13.2 cm of sharp zone; for maximum front-to-back sharpness focus at 131 m and everything from 65.7 m to infinity will be acceptably sharp.
See also the f/5.6 aperture guide.
Frequently asked questions#
What is the depth of field of a 105mm lens at f/5.6?
On Micro Four Thirds, focused at 3 m, it is 13.2 cm; at 1 m it is 1.4 cm.
What is the hyperfocal distance for 105mm f/5.6?
131 m (431 ft) on Micro Four Thirds. Everything from 65.7 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources