Depth of field · Full frame

14 mm f/1.8 depth of field on full frame

Exactly how much is sharp with a 14 mm lens at f/1.8 on a full-frame camera, from 30.0 cm to 100 m.

3.64 m
Hyperfocal distance
1.82 m
Sharp from (focused at hyperfocal)
14 mm f/1.8
Full-frame equivalent
114°
Diagonal angle of view

Depth of field by subject distance#

14 mm at f/1.8 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)27.8 cm32.6 cm4.8 cm46% / 54%1.06%
50.0 cm (1.64 ft)44.1 cm57.7 cm13.6 cm43% / 57%0.62%
75.0 cm (2.46 ft)62.4 cm94.1 cm31.7 cm40% / 60%0.41%
1.00 m (3.28 ft)78.6 cm1.37 m58.7 cm36% / 64%0.31%
1.50 m (4.92 ft)1.06 m2.54 m1.48 m30% / 70%0.20%
2.00 m (6.56 ft)1.29 m4.42 m3.12 m23% / 77%0.15%
3.00 m (9.84 ft)1.65 m16.9 m15.3 m9% / 91%0.10%
4.00 m (13.1 ft)1.91 m∞∞—0.08%
5.00 m (16.4 ft)2.11 m∞∞—0.06%
7.00 m (23.0 ft)2.39 m∞∞—0.04%
10.0 m (32.8 ft)2.67 m∞∞—0.03%
15.0 m (49.2 ft)2.92 m∞∞—0.02%
20.0 m (65.6 ft)3.07 m∞∞—0.02%
30.0 m (98.4 ft)3.24 m∞∞—0.01%
50.0 m (164 ft)3.38 m∞∞—0.01%
100 m (328 ft)3.50 m∞∞—0.00%

Try other settings#

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

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

ApertureTotal DoFHyperfocal
f/1.815.3 m3.64 m
f/233.3 m3.28 m
f/2.8∞2.35 m
f/4∞1.65 m
f/5.6∞1.18 m
f/8∞83.1 cm
f/11∞60.8 cm
f/16∞42.2 cm

Other focal lengths at f/1.8#

Focal lengthSubject atTotal DoF
14 mm3.00 m15.3 m
16 mm3.00 m6.25 m
20 mm3.00 m2.88 m
24 mm3.00 m1.82 m
28 mm3.00 m1.28 m
35 mm3.00 m79.8 cm
40 mm3.00 m60.5 cm
50 mm3.00 m38.4 cm
85 mm3.00 m13.1 cm
105 mm3.00 m8.5 cm
135 mm3.00 m5.1 cm

Same lens settings on other formats#

When to use it#

At f/1.8, a 14 mm lens on full frame is a natural choice for environmental portraits, street and low light. Focused at 3 m you get 15.3 m of sharp zone; for maximum front-to-back sharpness focus at 3.64 m and everything from 1.82 m to infinity will be acceptably sharp.

See also the f/1.8 aperture guide.

Frequently asked questions#

What is the depth of field of a 14mm lens at f/1.8?

On full frame, focused at 3 m, it is 15.3 m; at 1 m it is 58.7 cm.

What is the hyperfocal distance for 14mm f/1.8?

3.64 m (12.0 ft) on full frame. Everything from 1.82 m to infinity is acceptably sharp.

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