Telephoto zoom · Four Thirds

Olympus Zuiko Digital 70-300mm F4.0-5.6

The Olympus Zuiko Digital 70-300mm F4.0-5.6 is a four thirds zoom lens (70–300 mm, f/4–5.6) for Four Thirds. It belongs to the telephoto zoom class — ideal for sport, wildlife, events and compressed landscapes.

70–300 mmf/4–5.6Four Thirds
70–300 mm
Focal length
f/4–5.6
Maximum aperture
18°–4°
Diagonal angle of view (Four Thirds)
Four Thirds
Designed for
4.3×
Zoom ratio

Specifications#

Brand
Olympus
Model
Zuiko Digital 70-300mm F4.0-5.6
Lens type
Telephoto zoom
Focal length
70–300 mm
Maximum aperture
f/4–5.6
Image circle
Four Thirds (17.3×13 mm)
Mount(s)
Four Thirds
Projection
Rectilinear
Lensfun correction profile
Yes — distortion/vignetting/TCA

Equivalent focal length on different cameras#

Field of view and depth-of-field equivalence when this lens is used on bodies with different sensor sizes (natively or via an adapter).

Camera formatAt 70 mmAt 145 mmAt 300 mmEquiv. aperture (DoF)
Micro Four Thirds140 mm · 18°290 mm · 9°600 mm · 4°f/8.0

Depth of field & background blur#

Computed on its native Four Thirds format (CoC 15 µm). “Blur @2 m” is the size of an out-of-focus point at infinity, as a percentage of frame width, with the subject at 2 m — a simple bokeh index. Full table: 85 mm f/4 on four thirds.

FocalApertureat 1 mat 2 mat 5 mat 10 mHyperfocalBlur @2 m
70 mmf/42.3 cm9.5 cm60.6 cm2.47 m81.7 m3.7%
70 mmf/84.6 cm19.0 cm1.23 m5.17 m40.9 m1.8%
145 mmf/40.5 cm2.1 cm13.9 cm56.3 cm350 m16.4%
145 mmf/81.0 cm4.2 cm27.7 cm1.13 m175 m8.2%
300 mmf/40.1 cm0.5 cm3.1 cm12.9 cm1.5 km76.5%
300 mmf/80.2 cm0.9 cm6.3 cm25.9 cm750 m38.3%

Handheld & night-sky limits#

NPF assumes typical 20–24 MP sensors (≈6 µm pixels on full frame, ≈3.9 µm on APS-C, ≈3.3 µm on Micro Four Thirds).

BodyMin. handheld shutter (longest focal)500 rule at 70 mmNPF at 70 mm, f/4
Micro Four Thirds1/640 s4 s3 s

Adapt it to other systems#

Frequently asked questions#

Is the Olympus Zuiko Digital 70-300mm F4.0-5.6 full frame?

No — it is designed for Four Thirds sensors.

What is the Olympus Zuiko Digital 70-300mm F4.0-5.6 equivalent to on APS-C?

Its focal length is already the real value for Four Thirds: 70–300 mm frames like 140–600 mm on full frame.

What is the Olympus Zuiko Digital 70-300mm F4.0-5.6 good for?

As a telephoto zoom it suits sport, wildlife, events and compressed landscapes.

Sources & licences#

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