Superzoom · Four Thirds

Olympus M.Zuiko Digital ED 12-100mm f/4.0 IS Pro

The Olympus M.Zuiko Digital ED 12-100mm f/4.0 IS Pro is a four thirds zoom lens (12–100 mm, f/4) for Micro Four Thirds. It belongs to the superzoom class — ideal for travel photography with one lens from wide to telephoto.

12–100 mmf/4Micro Four Thirds
12–100 mm
Focal length
f/4
Maximum aperture
84°–12°
Diagonal angle of view (Four Thirds)
Four Thirds
Designed for
8.3×
Zoom ratio

Specifications#

Brand
Olympus
Model
M.Zuiko Digital ED 12-100mm f/4.0 IS Pro
Lens type
Superzoom
Focal length
12–100 mm
Maximum aperture
f/4
Image circle
Four Thirds (17.3×13 mm)
Projection
Rectilinear
Stabilisation
Yes (optical)
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 12 mmAt 35 mmAt 100 mmEquiv. aperture (DoF)
Micro Four Thirds24 mm · 84°70 mm · 34°200 mm · 12°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: 14 mm f/4 on four thirds.

FocalApertureat 1 mat 2 mat 5 mat 10 mHyperfocalBlur @2 m
12 mmf/499.2 cm10.6 m∞∞2.41 m0.1%
12 mmf/85.12 m∞∞∞1.21 m0.1%
35 mmf/49.5 cm38.9 cm2.59 m12.8 m20.4 m0.9%
35 mmf/819.1 cm80.0 cm6.37 m420 m10.2 m0.5%
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%

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 12 mmNPF at 12 mm, f/4
Micro Four Thirds1/200 s21 s20 s

Adapt it to other systems#

Frequently asked questions#

Is the Olympus M.Zuiko Digital ED 12-100mm f/4.0 IS Pro full frame?

No — it is designed for Four Thirds sensors.

What is the Olympus M.Zuiko Digital ED 12-100mm f/4.0 IS Pro equivalent to on APS-C?

Its focal length is already the real value for Four Thirds: 12–100 mm frames like 24–200 mm on full frame.

What is the Olympus M.Zuiko Digital ED 12-100mm f/4.0 IS Pro good for?

As a superzoom it suits travel photography with one lens from wide to telephoto.

Sources & licences#

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

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