Depth of field · APS-C

200 mm f/4 depth of field on APS-C

Exactly how much is sharp with a 200 mm lens at f/4 on an APS-C camera, from 44.0 cm to 100 m.

500 m
Hyperfocal distance
250 m
Sharp from (focused at hyperfocal)
307 mm f/6.1
Full-frame equivalent
8°
Diagonal angle of view

Depth of field by subject distance#

200 mm at f/4 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 distanceNear limitFar limitTotal DoFFront / behindBackground blur
50.0 cm (1.64 ft)50.0 cm50.0 cm0.1 cm50% / 50%141.84%
75.0 cm (2.46 ft)74.9 cm75.1 cm0.2 cm50% / 50%77.37%
1.00 m (3.28 ft)99.8 cm1.00 m0.3 cm50% / 50%53.19%
1.50 m (4.92 ft)1.50 m1.50 m0.8 cm50% / 50%32.73%
2.00 m (6.56 ft)1.99 m2.01 m1.4 cm50% / 50%23.64%
3.00 m (9.84 ft)2.98 m3.02 m3.4 cm50% / 50%15.20%
4.00 m (13.1 ft)3.97 m4.03 m6.1 cm50% / 50%11.20%
5.00 m (16.4 ft)4.95 m5.05 m9.6 cm50% / 50%8.87%
7.00 m (23.0 ft)6.91 m7.10 m19.0 cm49% / 51%6.26%
10.0 m (32.8 ft)9.81 m10.2 m39.2 cm49% / 51%4.34%
15.0 m (49.2 ft)14.6 m15.5 m88.9 cm49% / 51%2.88%
20.0 m (65.6 ft)19.2 m20.8 m1.59 m48% / 52%2.15%
30.0 m (98.4 ft)28.3 m31.9 m3.59 m47% / 53%1.43%
50.0 m (164 ft)45.5 m55.5 m10.1 m45% / 55%0.85%
100 m (328 ft)83.4 m125 m41.6 m40% / 60%0.43%

Try other settings#

Near limit—
Far limit—
Depth of field—
Hyperfocal distance—
In front / behind—

200 mm at other apertures (subject at 3 m)#

ApertureTotal DoFHyperfocal
f/21.7 cm1.0 km
f/2.82.4 cm714 m
f/43.4 cm500 m
f/5.64.7 cm357 m
f/86.7 cm250 m
f/119.2 cm182 m
f/1613.4 cm125 m

Other focal lengths at f/4#

Focal lengthSubject atTotal DoF
14 mm3.00 m∞
16 mm3.00 m42.9 m
20 mm3.00 m5.55 m
24 mm3.00 m2.99 m
28 mm3.00 m2.00 m
35 mm3.00 m1.21 m
40 mm3.00 m90.8 cm
50 mm3.00 m57.1 cm
85 mm3.00 m19.4 cm
105 mm3.00 m12.6 cm
135 mm3.00 m7.5 cm
200 mm10.0 m39.2 cm
300 mm10.0 m17.2 cm
400 mm10.0 m9.6 cm
600 mm10.0 m4.2 cm

Same lens settings on other formats#

When to use it#

At f/4, a 200 mm lens on APS-C is a natural choice for general photography. Focused at 3 m you get 3.4 cm of sharp zone; for maximum front-to-back sharpness focus at 500 m and everything from 250 m to infinity will be acceptably sharp.

See also the f/4 aperture guide.

Frequently asked questions#

What is the depth of field of a 200mm lens at f/4?

On APS-C, focused at 3 m, it is 3.4 cm; at 1 m it is 0.3 cm.

What is the hyperfocal distance for 200mm f/4?

500 m (1641 ft) on APS-C. Everything from 250 m to infinity is acceptably sharp.

Last updated October 03, 2026 · How we calculate · Sources