Wide-angle prime · Four Thirds

Sigma 16mm f/1.4 DC DN C

The Sigma 16mm f/1.4 DC DN C is a four thirds prime lens (16 mm, f/1.4) for Micro Four Thirds and Sony E-mount. It belongs to the wide-angle prime class — ideal for street, environmental portraits, landscapes and astro.

16 mmf/1.4Micro Four ThirdsSony E-mount
16 mm
Focal length
f/1.4
Maximum aperture
68°
Diagonal angle of view (Four Thirds)
Four Thirds
Designed for

Specifications#

Brand
Sigma
Model
16mm f/1.4 DC DN C
Lens type
Wide-angle prime
Focal length
16 mm
Maximum aperture
f/1.4
Image circle
Four Thirds (17.3×13 mm)
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 16 mmEquiv. aperture (DoF)
Micro Four Thirds32 mm · 68°f/2.8

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: 16 mm f/1.4 on four thirds.

FocalApertureat 1 mat 2 mat 5 mat 10 mHyperfocalBlur @2 m
16 mmf/1.416.3 cm66.9 cm4.91 m49.8 m12.2 m0.5%
16 mmf/448.7 cm2.37 m∞∞4.28 m0.2%
16 mmf/81.17 m27.7 m∞∞2.15 m0.1%

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 16 mmNPF at 16 mm, f/1.4
Micro Four Thirds1/30 s16 s9 s

Adapt it to other systems#

Frequently asked questions#

Is the Sigma 16mm f/1.4 DC DN C full frame?

No — it is designed for Four Thirds sensors.

What is the Sigma 16mm f/1.4 DC DN C equivalent to on APS-C?

Its focal length is already the real value for Four Thirds: 16 mm frames like 32 mm on full frame.

What is the Sigma 16mm f/1.4 DC DN C good for?

As a wide-angle prime it suits street, environmental portraits, landscapes and astro.

Sources & licences#

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

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