104 m
Hyperfocal distance
52.1 m
Sharp from (focused at hyperfocal)
77 mm f/1.8
Full-frame equivalent
32°
Diagonal angle of view
Depth of field by subject distance#
50 mm at f/1.2 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) | 29.9 cm | 30.1 cm | 0.1 cm | 50% / 50% | 35.46% |
| 50.0 cm (1.64 ft) | 49.8 cm | 50.2 cm | 0.4 cm | 50% / 50% | 19.70% |
| 75.0 cm (2.46 ft) | 74.5 cm | 75.5 cm | 1.0 cm | 50% / 50% | 12.66% |
| 1.00 m (3.28 ft) | 99.1 cm | 1.01 m | 1.8 cm | 50% / 50% | 9.33% |
| 1.50 m (4.92 ft) | 1.48 m | 1.52 m | 4.2 cm | 49% / 51% | 6.11% |
| 2.00 m (6.56 ft) | 1.96 m | 2.04 m | 7.5 cm | 49% / 51% | 4.55% |
| 3.00 m (9.84 ft) | 2.92 m | 3.09 m | 17.0 cm | 49% / 51% | 3.01% |
| 4.00 m (13.1 ft) | 3.85 m | 4.16 m | 30.4 cm | 48% / 52% | 2.24% |
| 5.00 m (16.4 ft) | 4.77 m | 5.25 m | 47.6 cm | 48% / 52% | 1.79% |
| 7.00 m (23.0 ft) | 6.56 m | 7.50 m | 93.8 cm | 47% / 53% | 1.28% |
| 10.0 m (32.8 ft) | 9.13 m | 11.1 m | 1.93 m | 45% / 55% | 0.89% |
| 15.0 m (49.2 ft) | 13.1 m | 17.5 m | 4.40 m | 43% / 57% | 0.59% |
| 20.0 m (65.6 ft) | 16.8 m | 24.7 m | 7.95 m | 40% / 60% | 0.44% |
| 30.0 m (98.4 ft) | 23.3 m | 42.1 m | 18.8 m | 36% / 64% | 0.30% |
| 50.0 m (164 ft) | 33.8 m | 96.1 m | 62.3 m | 26% / 74% | 0.18% |
| 100 m (328 ft) | 51.0 m | 2.5 km | 2.4 km | 2% / 98% | 0.09% |
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/1.2#
Same lens settings on other formats#
When to use it#
At f/1.2, a 50 mm lens on APS-C is a natural choice for portraits and subject isolation. Focused at 3 m you get 17.0 cm of sharp zone; for maximum front-to-back sharpness focus at 104 m and everything from 52.1 m to infinity will be acceptably sharp.
See also the f/1.2 aperture guide.
Frequently asked questions#
What is the depth of field of a 50mm lens at f/1.2?
On APS-C, focused at 3 m, it is 17.0 cm; at 1 m it is 1.8 cm.
What is the hyperfocal distance for 50mm f/1.2?
104 m (342 ft) on APS-C. Everything from 52.1 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources