Telephoto zoom · Four Thirds

Olympus Zuiko Digital ED 50-200mm f/2.8-3.5

The Olympus Zuiko Digital ED 50-200mm f/2.8-3.5 is a four thirds zoom lens (50–200 mm, f/2.8–3.5) for Four Thirds. It belongs to the telephoto zoom class — ideal for sport, wildlife, events and compressed landscapes.

50–200 mmf/2.8–3.5Four Thirds
50–200 mm
Focal length
f/2.8–3.5
Maximum aperture
24°–6°
Diagonal angle of view (Four Thirds)
Four Thirds
Designed for
4.0×
Zoom ratio

Specifications#

Brand
Olympus
Model
Zuiko Digital ED 50-200mm f/2.8-3.5
Lens type
Telephoto zoom
Focal length
50–200 mm
Maximum aperture
f/2.8–3.5
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 50 mmAt 100 mmAt 200 mmEquiv. aperture (DoF)
Micro Four Thirds100 mm · 24°200 mm · 12°400 mm · 6°f/5.6

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: 50 mm f/2.8 on four thirds.

FocalApertureat 1 mat 2 mat 5 mat 10 mHyperfocalBlur @2 m
50 mmf/2.83.2 cm13.1 cm83.8 cm3.44 m59.6 m2.6%
50 mmf/44.6 cm18.8 cm1.21 m5.07 m41.7 m1.9%
50 mmf/89.1 cm37.8 cm2.52 m12.4 m20.9 m0.9%
100 mmf/2.80.8 cm3.2 cm20.6 cm83.3 cm238 m10.9%
100 mmf/41.1 cm4.6 cm29.4 cm1.19 m167 m7.6%
100 mmf/82.2 cm9.1 cm59.0 cm2.41 m83.4 m3.8%
200 mmf/2.80.2 cm0.8 cm5.0 cm20.6 cm952 m45.9%
200 mmf/40.2 cm1.1 cm7.2 cm29.4 cm667 m32.1%
200 mmf/80.5 cm2.2 cm14.4 cm58.9 cm333 m16.1%

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 50 mmNPF at 50 mm, f/2.8
Micro Four Thirds1/400 s5 s4 s

Adapt it to other systems#

Frequently asked questions#

Is the Olympus Zuiko Digital ED 50-200mm f/2.8-3.5 full frame?

No — it is designed for Four Thirds sensors.

What is the Olympus Zuiko Digital ED 50-200mm f/2.8-3.5 equivalent to on APS-C?

Its focal length is already the real value for Four Thirds: 50–200 mm frames like 100–400 mm on full frame.

What is the Olympus Zuiko Digital ED 50-200mm f/2.8-3.5 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