15.7 m
Hyperfocal distance
7.84 m
Sharp from (focused at hyperfocal)
77 mm f/12.3
Full-frame equivalent
32°
Diagonal angle of view
Depth of field by subject distance#
50 mm at f/8 on APS-C (23.5×15.6 mm), circle of confusion 20 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) | 29.5 cm | 30.5 cm | 1.0 cm | 49% / 51% | 5.32% |
| 50.0 cm (1.64 ft) | 48.6 cm | 51.5 cm | 2.9 cm | 49% / 51% | 2.96% |
| 75.0 cm (2.46 ft) | 71.8 cm | 78.5 cm | 6.7 cm | 48% / 52% | 1.90% |
| 1.00 m (3.28 ft) | 94.3 cm | 1.06 m | 12.2 cm | 47% / 53% | 1.40% |
| 1.50 m (4.92 ft) | 1.37 m | 1.65 m | 28.1 cm | 45% / 55% | 0.92% |
| 2.00 m (6.56 ft) | 1.78 m | 2.29 m | 50.7 cm | 44% / 56% | 0.68% |
| 3.00 m (9.84 ft) | 2.52 m | 3.70 m | 1.17 m | 41% / 59% | 0.45% |
| 4.00 m (13.1 ft) | 3.19 m | 5.35 m | 2.16 m | 37% / 63% | 0.34% |
| 5.00 m (16.4 ft) | 3.80 m | 7.32 m | 3.52 m | 34% / 66% | 0.27% |
| 7.00 m (23.0 ft) | 4.84 m | 12.6 m | 7.76 m | 28% / 72% | 0.19% |
| 10.0 m (32.8 ft) | 6.11 m | 27.5 m | 21.4 m | 18% / 82% | 0.13% |
| 15.0 m (49.2 ft) | 7.67 m | 347 m | 340 m | 2% / 98% | 0.09% |
| 20.0 m (65.6 ft) | 8.78 m | ∞ | ∞ | — | 0.07% |
| 30.0 m (98.4 ft) | 10.3 m | ∞ | ∞ | — | 0.04% |
| 50.0 m (164 ft) | 11.9 m | ∞ | ∞ | — | 0.03% |
| 100 m (328 ft) | 13.5 m | ∞ | ∞ | — | 0.01% |
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/8#
Same lens settings on other formats#
When to use it#
At f/8, a 50 mm lens on APS-C is a natural choice for landscapes and architecture where front-to-back sharpness matters. Focused at 3 m you get 1.17 m of sharp zone; for maximum front-to-back sharpness focus at 15.7 m and everything from 7.84 m to infinity will be acceptably sharp.
See also the f/8 aperture guide.
Frequently asked questions#
What is the depth of field of a 50mm lens at f/8?
On APS-C, focused at 3 m, it is 1.17 m; at 1 m it is 12.2 cm.
What is the hyperfocal distance for 50mm f/8?
15.7 m (51.4 ft) on APS-C. Everything from 7.84 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources