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

Check the OM System M.Zuiko 17mm f/1.8 price on Amazon →

Check the Panasonic Leica DG 15mm f/1.7 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.

More Micro Four Thirds comparisons: OM System M.Zuiko 100-400mm f/5-6.3 IS vs Panasonic Lumix G 100-300mm f/4-5.6 II · Olympus M.Zuiko 45mm f/1.8 vs OM System M.Zuiko 75mm f/1.8 · Panasonic Lumix G 20mm f/1.7 II vs Panasonic Leica DG 15mm f/1.7 · Panasonic Lumix G 20mm f/1.7 II vs Panasonic Lumix G 25mm f/1.7 · all Micro Four Thirds lenses · all comparisons