Depth of field by subject distance#
200 mm at f/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 |
|---|---|---|---|---|---|
| 50.0 cm (1.64 ft) | 50.0 cm | 50.0 cm | 0.0 cm | 50% / 50% | 283.69% |
| 75.0 cm (2.46 ft) | 75.0 cm | 75.0 cm | 0.1 cm | 50% / 50% | 154.74% |
| 1.00 m (3.28 ft) | 99.9 cm | 1.00 m | 0.2 cm | 50% / 50% | 106.38% |
| 1.50 m (4.92 ft) | 1.50 m | 1.50 m | 0.4 cm | 50% / 50% | 65.47% |
| 2.00 m (6.56 ft) | 2.00 m | 2.00 m | 0.7 cm | 50% / 50% | 47.28% |
| 3.00 m (9.84 ft) | 2.99 m | 3.01 m | 1.7 cm | 50% / 50% | 30.40% |
| 4.00 m (13.1 ft) | 3.98 m | 4.02 m | 3.0 cm | 50% / 50% | 22.40% |
| 5.00 m (16.4 ft) | 4.98 m | 5.02 m | 4.8 cm | 50% / 50% | 17.73% |
| 7.00 m (23.0 ft) | 6.95 m | 7.05 m | 9.5 cm | 50% / 50% | 12.52% |
| 10.0 m (32.8 ft) | 9.90 m | 10.1 m | 19.6 cm | 50% / 50% | 8.68% |
| 15.0 m (49.2 ft) | 14.8 m | 15.2 m | 44.4 cm | 49% / 51% | 5.75% |
| 20.0 m (65.6 ft) | 19.6 m | 20.4 m | 79.2 cm | 49% / 51% | 4.30% |
| 30.0 m (98.4 ft) | 29.1 m | 30.9 m | 1.79 m | 49% / 51% | 2.86% |
| 50.0 m (164 ft) | 47.6 m | 52.6 m | 4.99 m | 48% / 52% | 1.71% |
| 100 m (328 ft) | 90.9 m | 111 m | 20.2 m | 45% / 55% | 0.85% |
Try other settings#
200 mm at other apertures (subject at 3 m)#
Other focal lengths at f/2#
Same lens settings on other formats#
When to use it#
At f/2, a 200 mm lens on APS-C is a natural choice for portraits and subject isolation. Focused at 3 m you get 1.7 cm of sharp zone; for maximum front-to-back sharpness focus at 1.0 km and everything from 500 m to infinity will be acceptably sharp.
See also the f/2 aperture guide.
Frequently asked questions#
What is the depth of field of a 200mm lens at f/2?
On APS-C, focused at 3 m, it is 1.7 cm; at 1 m it is 0.2 cm.
What is the hyperfocal distance for 200mm f/2?
1.0 km (3281 ft) on APS-C. Everything from 500 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources