109 m
Hyperfocal distance
54.3 m
Sharp from (focused at hyperfocal)
135 mm f/5.6
Full-frame equivalent
18°
Diagonal angle of view
Depth of field by subject distance#
135 mm at f/5.6 on full frame (36×24 mm), circle of confusion 30 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% | 54.79% |
| 50.0 cm (1.64 ft) | 49.8 cm | 50.2 cm | 0.3 cm | 50% / 50% | 24.77% |
| 75.0 cm (2.46 ft) | 74.6 cm | 75.4 cm | 0.9 cm | 50% / 50% | 14.70% |
| 1.00 m (3.28 ft) | 99.2 cm | 1.01 m | 1.6 cm | 50% / 50% | 10.45% |
| 1.50 m (4.92 ft) | 1.48 m | 1.52 m | 3.8 cm | 49% / 51% | 6.62% |
| 2.00 m (6.56 ft) | 1.97 m | 2.03 m | 6.9 cm | 49% / 51% | 4.85% |
| 3.00 m (9.84 ft) | 2.92 m | 3.08 m | 15.9 cm | 49% / 51% | 3.16% |
| 4.00 m (13.1 ft) | 3.86 m | 4.15 m | 28.5 cm | 48% / 52% | 2.34% |
| 5.00 m (16.4 ft) | 4.79 m | 5.23 m | 44.9 cm | 48% / 52% | 1.86% |
| 7.00 m (23.0 ft) | 6.58 m | 7.47 m | 89.0 cm | 47% / 53% | 1.32% |
| 10.0 m (32.8 ft) | 9.17 m | 11.0 m | 1.83 m | 45% / 55% | 0.92% |
| 15.0 m (49.2 ft) | 13.2 m | 17.4 m | 4.19 m | 43% / 57% | 0.61% |
| 20.0 m (65.6 ft) | 16.9 m | 24.5 m | 7.58 m | 41% / 59% | 0.46% |
| 30.0 m (98.4 ft) | 23.5 m | 41.4 m | 17.9 m | 36% / 64% | 0.30% |
| 50.0 m (164 ft) | 34.3 m | 92.5 m | 58.3 m | 27% / 73% | 0.18% |
| 100 m (328 ft) | 52.1 m | 1.3 km | 1.2 km | 4% / 96% | 0.09% |
Try other settings#
Near limit—
Far limit—
Depth of field—
Hyperfocal distance—
In front / behind—
135 mm at other apertures (subject at 3 m)#
Other focal lengths at f/5.6#
Same lens settings on other formats#
When to use it#
At f/5.6, a 135 mm lens on full frame is a natural choice for general photography. Focused at 3 m you get 15.9 cm of sharp zone; for maximum front-to-back sharpness focus at 109 m and everything from 54.3 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 full frame, focused at 3 m, it is 15.9 cm; at 1 m it is 1.6 cm.
What is the hyperfocal distance for 135mm f/5.6?
109 m (356 ft) on full frame. Everything from 54.3 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources