Depth of field · Micro Four Thirds

300 mm f/5.6 depth of field on Micro Four Thirds

Exactly how much is sharp with a 300 mm lens at f/5.6 on a Micro Four Thirds camera, from 66.0 cm to 100 m.

1.1 km
Hyperfocal distance
536 m
Sharp from (focused at hyperfocal)
600 mm f/11.2
Full-frame equivalent
4°
Diagonal angle of view

Depth of field by subject distance#

300 mm at f/5.6 on Micro Four Thirds (17.3×13 mm), circle of confusion 15 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
75.0 cm (2.46 ft)75.0 cm75.0 cm0.1 cm50% / 50%206.44%
1.00 m (3.28 ft)99.9 cm1.00 m0.1 cm50% / 50%132.71%
1.50 m (4.92 ft)1.50 m1.50 m0.3 cm50% / 50%77.42%
2.00 m (6.56 ft)2.00 m2.00 m0.6 cm50% / 50%54.65%
3.00 m (9.84 ft)2.99 m3.01 m1.5 cm50% / 50%34.41%
4.00 m (13.1 ft)3.99 m4.01 m2.8 cm50% / 50%25.11%
5.00 m (16.4 ft)4.98 m5.02 m4.4 cm50% / 50%19.77%
7.00 m (23.0 ft)6.96 m7.04 m8.8 cm50% / 50%13.87%
10.0 m (32.8 ft)9.91 m10.1 m18.1 cm50% / 50%9.58%
15.0 m (49.2 ft)14.8 m15.2 m41.2 cm49% / 51%6.32%
20.0 m (65.6 ft)19.6 m20.4 m73.6 cm49% / 51%4.72%
30.0 m (98.4 ft)29.2 m30.9 m1.66 m49% / 51%3.13%
50.0 m (164 ft)47.8 m52.4 m4.65 m48% / 52%1.87%
100 m (328 ft)91.5 m110 m18.8 m45% / 55%0.93%

Try other settings#

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

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

ApertureTotal DoFHyperfocal
f/2.80.8 cm2.1 km
f/41.1 cm1.5 km
f/5.61.5 cm1.1 km
f/82.2 cm750 m
f/113.0 cm546 m

Other focal lengths at f/5.6#

Focal lengthSubject atTotal DoF
14 mm3.00 m∞
16 mm3.00 m142 m
20 mm3.00 m6.17 m
24 mm3.00 m3.21 m
28 mm3.00 m2.13 m
35 mm3.00 m1.27 m
40 mm3.00 m95.5 cm
50 mm3.00 m60.1 cm
85 mm3.00 m20.4 cm
105 mm3.00 m13.2 cm
135 mm3.00 m7.9 cm
200 mm10.0 m41.2 cm
300 mm10.0 m18.1 cm
400 mm10.0 m10.1 cm
600 mm10.0 m4.4 cm

Same lens settings on other formats#

When to use it#

At f/5.6, a 300 mm lens on Micro Four Thirds is a natural choice for general photography. Focused at 3 m you get 1.5 cm of sharp zone; for maximum front-to-back sharpness focus at 1.1 km and everything from 536 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 300mm lens at f/5.6?

On Micro Four Thirds, focused at 3 m, it is 1.5 cm; at 1 m it is 0.1 cm.

What is the hyperfocal distance for 300mm f/5.6?

1.1 km (3516 ft) on Micro Four Thirds. Everything from 536 m to infinity is acceptably sharp.

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