Ultra-wide prime · Four Thirds

Laowa 7.5mm f/2.0

The Laowa 7.5mm f/2.0 is a four thirds prime lens (7.5 mm, f/2) for Micro Four Thirds. It belongs to the ultra-wide prime class — ideal for astrophotography, landscapes and dramatic perspectives.

7.5 mmf/2Micro Four Thirds
7.5 mm
Focal length
f/2
Maximum aperture
111°
Diagonal angle of view (Four Thirds)
Four Thirds
Designed for

Specifications#

Brand
Laowa
Model
7.5mm f/2.0
Lens type
Ultra-wide prime
Focal length
7.5 mm
Maximum aperture
f/2
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 7.5 mmEquiv. aperture (DoF)
Micro Four Thirds15 mm · 111°f/4.0

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/2 on four thirds.

FocalApertureat 1 mat 2 mat 5 mat 10 mHyperfocalBlur @2 m
7.5 mmf/21.47 m∞∞∞1.88 m0.1%
7.5 mmf/4∞∞∞∞94.5 cm0.0%
7.5 mmf/8∞∞∞∞47.6 cm0.0%

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 7.5 mmNPF at 7.5 mm, f/2
Micro Four Thirds1/15 s33 s23 s

Adapt it to other systems#

Frequently asked questions#

Is the Laowa 7.5mm f/2.0 full frame?

No — it is designed for Four Thirds sensors.

What is the Laowa 7.5mm f/2.0 equivalent to on APS-C?

Its focal length is already the real value for Four Thirds: 7.5 mm frames like 15 mm on full frame.

What is the Laowa 7.5mm f/2.0 good for?

As a ultra-wide prime it suits astrophotography, landscapes and dramatic perspectives.

Sources & licences#

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