Depth of field by subject distance#
135 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 | 0.0 cm | 50% / 50% | 114.01% |
| 50.0 cm (1.64 ft) | 49.9 cm | 50.1 cm | 0.2 cm | 50% / 50% | 51.54% |
| 75.0 cm (2.46 ft) | 74.8 cm | 75.2 cm | 0.4 cm | 50% / 50% | 30.59% |
| 1.00 m (3.28 ft) | 99.6 cm | 1.00 m | 0.8 cm | 50% / 50% | 21.75% |
| 1.50 m (4.92 ft) | 1.49 m | 1.51 m | 1.9 cm | 50% / 50% | 13.78% |
| 2.00 m (6.56 ft) | 1.98 m | 2.02 m | 3.4 cm | 50% / 50% | 10.09% |
| 3.00 m (9.84 ft) | 2.96 m | 3.04 m | 7.9 cm | 49% / 51% | 6.57% |
| 4.00 m (13.1 ft) | 3.93 m | 4.07 m | 14.3 cm | 49% / 51% | 4.87% |
| 5.00 m (16.4 ft) | 4.89 m | 5.11 m | 22.4 cm | 49% / 51% | 3.87% |
| 7.00 m (23.0 ft) | 6.79 m | 7.23 m | 44.3 cm | 48% / 52% | 2.74% |
| 10.0 m (32.8 ft) | 9.57 m | 10.5 m | 91.1 cm | 48% / 52% | 1.91% |
| 15.0 m (49.2 ft) | 14.0 m | 16.1 m | 2.07 m | 47% / 53% | 1.27% |
| 20.0 m (65.6 ft) | 18.3 m | 22.0 m | 3.69 m | 45% / 55% | 0.95% |
| 30.0 m (98.4 ft) | 26.4 m | 34.8 m | 8.42 m | 43% / 57% | 0.63% |
| 50.0 m (164 ft) | 40.7 m | 64.9 m | 24.3 m | 39% / 61% | 0.38% |
| 100 m (328 ft) | 68.5 m | 185 m | 117 m | 27% / 73% | 0.19% |
Try other settings#
135 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 135 mm lens on Micro Four Thirds is a natural choice for general photography. Focused at 3 m you get 7.9 cm of sharp zone; for maximum front-to-back sharpness focus at 217 m and everything from 109 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 135mm lens at f/5.6?
On Micro Four Thirds, focused at 3 m, it is 7.9 cm; at 1 m it is 0.8 cm.
What is the hyperfocal distance for 135mm f/5.6?
217 m (712 ft) on Micro Four Thirds. Everything from 109 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources