Depth of field · Full frame

24 mm f/1.4 depth of field on full frame

Exactly how much is sharp with a 24 mm lens at f/1.4 on a full-frame camera, from 30.0 cm to 100 m.

13.7 m
Hyperfocal distance
6.87 m
Sharp from (focused at hyperfocal)
24 mm f/1.4
Full-frame equivalent
84°
Diagonal angle of view

Depth of field by subject distance#

24 mm at f/1.4 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)29.4 cm30.6 cm1.2 cm49% / 51%4.14%
50.0 cm (1.64 ft)48.3 cm51.8 cm3.5 cm48% / 52%2.40%
75.0 cm (2.46 ft)71.2 cm79.2 cm8.0 cm47% / 53%1.57%
1.00 m (3.28 ft)93.4 cm1.08 m14.3 cm46% / 54%1.17%
1.50 m (4.92 ft)1.35 m1.68 m32.7 cm45% / 55%0.77%
2.00 m (6.56 ft)1.75 m2.34 m58.9 cm43% / 57%0.58%
3.00 m (9.84 ft)2.47 m3.83 m1.37 m39% / 61%0.38%
4.00 m (13.1 ft)3.10 m5.63 m2.53 m36% / 64%0.29%
5.00 m (16.4 ft)3.67 m7.85 m4.18 m32% / 68%0.23%
7.00 m (23.0 ft)4.64 m14.2 m9.61 m25% / 75%0.16%
10.0 m (32.8 ft)5.79 m36.7 m30.9 m14% / 86%0.11%
15.0 m (49.2 ft)7.17 m∞∞—0.08%
20.0 m (65.6 ft)8.14 m∞∞—0.06%
30.0 m (98.4 ft)9.42 m∞∞—0.04%
50.0 m (164 ft)10.8 m∞∞—0.02%
100 m (328 ft)12.1 m∞∞—0.01%

Try other settings#

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

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

ApertureTotal DoFHyperfocal
f/1.21.16 m16.0 m
f/1.41.37 m13.7 m
f/1.81.82 m10.7 m
f/22.06 m9.62 m
f/2.83.21 m6.88 m
f/46.04 m4.82 m
f/5.621.1 m3.45 m
f/8∞2.42 m
f/11∞1.77 m
f/16∞1.22 m

Other focal lengths at f/1.4#

Focal lengthSubject atTotal DoF
16 mm3.00 m3.86 m
20 mm3.00 m2.08 m
24 mm3.00 m1.37 m
28 mm3.00 m98.0 cm
35 mm3.00 m61.6 cm
40 mm3.00 m46.9 cm
50 mm3.00 m29.8 cm
85 mm3.00 m10.2 cm
105 mm3.00 m6.6 cm

Same lens settings on other formats#

When to use it#

At f/1.4, a 24 mm lens on full frame is a natural choice for environmental portraits, street and low light. Focused at 3 m you get 1.37 m of sharp zone; for maximum front-to-back sharpness focus at 13.7 m and everything from 6.87 m to infinity will be acceptably sharp.

See also the f/1.4 aperture guide.

Frequently asked questions#

What is the depth of field of a 24mm lens at f/1.4?

On full frame, focused at 3 m, it is 1.37 m; at 1 m it is 14.3 cm.

What is the hyperfocal distance for 24mm f/1.4?

13.7 m (45.1 ft) on full frame. Everything from 6.87 m to infinity is acceptably sharp.

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