OM System M.Zuiko 17mm f/1.8 vs Panasonic Leica DG 15mm f/1.7

Both are Micro Four Thirds mount primes for street and everyday — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.

Last verified 2026-06-21 · Micro Four Thirds mount · prices change — check the retailer

Spec	OM System M.Zuiko 17mm f/1.8	Panasonic Leica DG 15mm f/1.7
Focal length	17mm	15mm
Max aperture	f/1.8	f/1.7
Type	prime	prime
Coverage	Micro Four Thirds	Micro Four Thirds
Mount	Micro Four Thirds	Micro Four Thirds

Which should you buy?

the Panasonic Leica DG 15mm f/1.7 opens wider (f/1.7) — brighter in low light and more background blur
the Panasonic Leica DG 15mm f/1.7 (15mm) is wider — more in the frame for street and interiors; the OM System M.Zuiko 17mm f/1.8 (17mm) is tighter — more reach and compression for portraits

Where to buy

OM SYSTEM Olympus M.Zuiko Digital 17mm F1.8 II for Micro Four Thirds System Camera, Weather Proof, Compact Design, Beaut

OM System M.Zuiko 17mm f/1.8See price on Amazon

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Panasonic Leica DG Summilux 15mm f/1.7 Mirrorless Camera Lens, Micro Four Thirds, Black

Panasonic Leica DG 15mm f/1.7See price on Amazon

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FAQ

What's the difference between the OM System M.Zuiko 17mm f/1.8 and the Panasonic Leica DG 15mm f/1.7?
The OM System M.Zuiko 17mm f/1.8 is 17mm f/1.8 prime, Micro Four Thirds; the Panasonic Leica DG 15mm f/1.7 is 15mm f/1.7 prime, Micro Four Thirds. Both fit the Micro Four Thirds mount.

Which is better in low light, the OM System M.Zuiko 17mm f/1.8 or the Panasonic Leica DG 15mm f/1.7?
The Panasonic Leica DG 15mm f/1.7 — its f/1.7 maximum aperture lets in more light and gives more background blur than the f/1.8 of the other.

Do the OM System M.Zuiko 17mm f/1.8 and Panasonic Leica DG 15mm f/1.7 fit the same camera?
Yes — both are Micro Four Thirds mount lenses, so they fit OM System (Olympus) and Panasonic Lumix G Micro Four Thirds bodies.

Citing these specs? Go ahead — manufacturer data, last verified 2026-06-21. Copy a ready-made reference:

More Micro Four Thirds comparisons: Panasonic Leica DG 25mm f/1.4 II vs OM System M.Zuiko 20mm f/1.4 PRO · OM System M.Zuiko 17mm f/1.8 vs OM System M.Zuiko 20mm f/1.4 PRO · OM System M.Zuiko 40-150mm f/2.8 PRO vs OM System M.Zuiko 150-600mm f/5-6.3 IS · OM System M.Zuiko 40-150mm f/2.8 PRO vs Panasonic Leica DG 50-200mm f/2.8-4 · all Micro Four Thirds lenses · all comparisons

OM System M.Zuiko 17mm f/1.8Affiliate linkSee price on Amazon