Standard zoom · Four Thirds

Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 Asph.

The Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 Asph. is a four thirds zoom lens (10–25 mm, f/1.7) for Micro Four Thirds. It belongs to the standard zoom class — ideal for everyday shooting, travel, events and walkaround use.

10–25 mmf/1.7Micro Four Thirds
10–25 mm
Focal length
f/1.7
Maximum aperture
95°–47°
Diagonal angle of view (Four Thirds)
Four Thirds
Designed for
2.5×
Zoom ratio

Specifications#

Model
Leica DG Vario-Summilux 10-25mm f/1.7 Asph.
Lens type
Standard zoom
Focal length
10–25 mm
Maximum aperture
f/1.7
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 10 mmAt 16 mmAt 25 mmEquiv. aperture (DoF)
Micro Four Thirds20 mm · 95°32 mm · 68°50 mm · 47°f/3.4

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/1.8 on four thirds.

FocalApertureat 1 mat 2 mat 5 mat 10 mHyperfocalBlur @2 m
10 mmf/1.753.9 cm2.74 m∞∞3.93 m0.2%
10 mmf/41.84 m∞∞∞1.68 m0.1%
10 mmf/8∞∞∞∞84.3 cm0.0%
16 mmf/1.719.8 cm82.3 cm6.59 m1.9 km10.1 m0.4%
16 mmf/448.7 cm2.37 m∞∞4.28 m0.2%
16 mmf/81.17 m27.7 m∞∞2.15 m0.1%
25 mmf/1.78.0 cm32.5 cm2.12 m9.76 m24.5 m1.1%
25 mmf/418.9 cm78.7 cm6.19 m232 m10.4 m0.5%
25 mmf/838.8 cm1.77 m110 m∞5.23 m0.2%

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 10 mmNPF at 10 mm, f/1.7
Micro Four Thirds1/50 s25 s16 s

Compatible cameras#

Bodies in our database with a native Micro Four Thirds mount.

Adapt it to other systems#

Sony E-mountNikon ZFujifilm X-mountCanon EF-MHasselblad XCDNikon 1 (CX)Pentax Q

Similar lenses#

Frequently asked questions#

Is the Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 Asph. full frame?

No — it is designed for Four Thirds sensors.

What is the Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 Asph. equivalent to on APS-C?

Its focal length is already the real value for Four Thirds: 10–25 mm frames like 20–50 mm on full frame.

What is the Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 Asph. good for?

As a standard zoom it suits everyday shooting, travel, events and walkaround use.

Sources & licences#

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