Depth of field · Full frame

28 mm f/5.6 depth of field on full frame

Exactly how much is sharp with a 28 mm lens at f/5.6 on a full-frame camera, from 30.0 cm to 100 m.

4.69 m
Hyperfocal distance
2.35 m
Sharp from (focused at hyperfocal)
28 mm f/5.6
Full-frame equivalent
75°
Diagonal angle of view

Depth of field by subject distance#

28 mm at f/5.6 on full frame (36×24 mm), circle of confusion 30 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
30.0 cm (0.98 ft)28.3 cm31.9 cm3.5 cm47% / 53%1.43%
50.0 cm (1.64 ft)45.4 cm55.6 cm10.2 cm45% / 55%0.82%
75.0 cm (2.46 ft)65.0 cm88.7 cm23.8 cm42% / 58%0.54%
1.00 m (3.28 ft)82.8 cm1.26 m43.5 cm40% / 60%0.40%
1.50 m (4.92 ft)1.14 m2.19 m1.05 m34% / 66%0.26%
2.00 m (6.56 ft)1.41 m3.46 m2.06 m29% / 71%0.20%
3.00 m (9.84 ft)1.83 m8.26 m6.43 m18% / 82%0.13%
4.00 m (13.1 ft)2.16 m26.9 m24.7 m7% / 93%0.10%
5.00 m (16.4 ft)2.42 m∞∞—0.08%
7.00 m (23.0 ft)2.81 m∞∞—0.06%
10.0 m (32.8 ft)3.19 m∞∞—0.04%
15.0 m (49.2 ft)3.56 m∞∞—0.03%
20.0 m (65.6 ft)3.79 m∞∞—0.02%
30.0 m (98.4 ft)4.04 m∞∞—0.01%
50.0 m (164 ft)4.27 m∞∞—0.01%
100 m (328 ft)4.46 m∞∞—0.00%

Try other settings#

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

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

ApertureTotal DoFHyperfocal
f/1.498.0 cm18.7 m
f/1.81.28 m14.5 m
f/21.44 m13.1 m
f/2.82.13 m9.36 m
f/43.44 m6.56 m
f/5.66.43 m4.69 m
f/831.7 m3.29 m
f/11∞2.40 m
f/16∞1.66 m

Other focal lengths at f/5.6#

Focal lengthSubject atTotal DoF
14 mm3.00 m∞
16 mm3.00 m∞
20 mm3.00 m∞
24 mm3.00 m21.1 m
28 mm3.00 m6.43 m
35 mm3.00 m2.92 m
40 mm3.00 m2.06 m
50 mm3.00 m1.24 m
85 mm3.00 m40.9 cm
105 mm3.00 m26.5 cm
135 mm3.00 m15.9 cm
200 mm10.0 m82.5 cm
300 mm10.0 m36.2 cm
400 mm10.0 m20.2 cm
600 mm10.0 m8.8 cm

Same lens settings on other formats#

When to use it#

At f/5.6, a 28 mm lens on full frame is a natural choice for general photography. Focused at 3 m you get 6.43 m of sharp zone; for maximum front-to-back sharpness focus at 4.69 m and everything from 2.35 m to infinity will be acceptably sharp.

See also the f/5.6 aperture guide.

Frequently asked questions#

What is the depth of field of a 28mm lens at f/5.6?

On full frame, focused at 3 m, it is 6.43 m; at 1 m it is 43.5 cm.

What is the hyperfocal distance for 28mm f/5.6?

4.69 m (15.4 ft) on full frame. Everything from 2.35 m to infinity is acceptably sharp.

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