Depth of field by subject distance#
200 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 |
|---|---|---|---|---|---|
| 50.0 cm (1.64 ft) | 49.9 cm | 50.1 cm | 0.1 cm | 50% / 50% | 70.92% |
| 75.0 cm (2.46 ft) | 74.8 cm | 75.2 cm | 0.3 cm | 50% / 50% | 38.68% |
| 1.00 m (3.28 ft) | 99.7 cm | 1.00 m | 0.6 cm | 50% / 50% | 26.60% |
| 1.50 m (4.92 ft) | 1.49 m | 1.51 m | 1.6 cm | 50% / 50% | 16.37% |
| 2.00 m (6.56 ft) | 1.99 m | 2.01 m | 2.9 cm | 50% / 50% | 11.82% |
| 3.00 m (9.84 ft) | 2.97 m | 3.03 m | 6.7 cm | 49% / 51% | 7.60% |
| 4.00 m (13.1 ft) | 3.94 m | 4.06 m | 12.2 cm | 49% / 51% | 5.60% |
| 5.00 m (16.4 ft) | 4.91 m | 5.10 m | 19.2 cm | 49% / 51% | 4.43% |
| 7.00 m (23.0 ft) | 6.81 m | 7.20 m | 38.1 cm | 49% / 51% | 3.13% |
| 10.0 m (32.8 ft) | 9.62 m | 10.4 m | 78.5 cm | 48% / 52% | 2.17% |
| 15.0 m (49.2 ft) | 14.2 m | 15.9 m | 1.78 m | 47% / 53% | 1.44% |
| 20.0 m (65.6 ft) | 18.5 m | 21.7 m | 3.19 m | 46% / 54% | 1.07% |
| 30.0 m (98.4 ft) | 26.8 m | 34.1 m | 7.26 m | 44% / 56% | 0.71% |
| 50.0 m (164 ft) | 41.7 m | 62.4 m | 20.7 m | 40% / 60% | 0.43% |
| 100 m (328 ft) | 71.5 m | 166 m | 95.0 m | 30% / 70% | 0.21% |
Try other settings#
200 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 200 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 6.7 cm of sharp zone; for maximum front-to-back sharpness focus at 250 m and everything from 125 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 200mm lens at f/8?
On APS-C, focused at 3 m, it is 6.7 cm; at 1 m it is 0.6 cm.
What is the hyperfocal distance for 200mm f/8?
250 m (821 ft) on APS-C. Everything from 125 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources