409 m
Hyperfocal distance
205 m
Sharp from (focused at hyperfocal)
460 mm f/16.9
Full-frame equivalent
5°
Diagonal angle of view
Depth of field by subject distance#
300 mm at f/11 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 |
|---|---|---|---|---|---|
| 75.0 cm (2.46 ft) | 74.9 cm | 75.1 cm | 0.2 cm | 50% / 50% | 77.37% |
| 1.00 m (3.28 ft) | 99.8 cm | 1.00 m | 0.3 cm | 50% / 50% | 49.74% |
| 1.50 m (4.92 ft) | 1.50 m | 1.50 m | 0.9 cm | 50% / 50% | 29.01% |
| 2.00 m (6.56 ft) | 1.99 m | 2.01 m | 1.7 cm | 50% / 50% | 20.48% |
| 3.00 m (9.84 ft) | 2.98 m | 3.02 m | 4.0 cm | 50% / 50% | 12.89% |
| 4.00 m (13.1 ft) | 3.96 m | 4.04 m | 7.2 cm | 50% / 50% | 9.41% |
| 5.00 m (16.4 ft) | 4.94 m | 5.06 m | 11.5 cm | 49% / 51% | 7.41% |
| 7.00 m (23.0 ft) | 6.89 m | 7.12 m | 22.9 cm | 49% / 51% | 5.20% |
| 10.0 m (32.8 ft) | 9.77 m | 10.2 m | 47.4 cm | 49% / 51% | 3.59% |
| 15.0 m (49.2 ft) | 14.5 m | 15.6 m | 1.08 m | 48% / 52% | 2.37% |
| 20.0 m (65.6 ft) | 19.1 m | 21.0 m | 1.93 m | 48% / 52% | 1.77% |
| 30.0 m (98.4 ft) | 28.0 m | 32.3 m | 4.38 m | 46% / 54% | 1.17% |
| 50.0 m (164 ft) | 44.6 m | 56.9 m | 12.3 m | 44% / 56% | 0.70% |
| 100 m (328 ft) | 80.4 m | 132 m | 51.8 m | 38% / 62% | 0.35% |
Try other settings#
Near limit—
Far limit—
Depth of field—
Hyperfocal distance—
In front / behind—
300 mm at other apertures (subject at 3 m)#
Other focal lengths at f/11#
Same lens settings on other formats#
When to use it#
At f/11, a 300 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 4.0 cm of sharp zone; for maximum front-to-back sharpness focus at 409 m and everything from 205 m to infinity will be acceptably sharp.
See also the f/11 aperture guide.
Frequently asked questions#
What is the depth of field of a 300mm lens at f/11?
On APS-C, focused at 3 m, it is 4.0 cm; at 1 m it is 0.3 cm.
What is the hyperfocal distance for 300mm f/11?
409 m (1343 ft) on APS-C. Everything from 205 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources