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Olympus M.Zuiko 45mm f/1.8 vs Panasonic Leica DG 25mm f/1.4 II

Both are Micro Four Thirds mount primes for low-light — 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

SpecOlympus M.Zuiko 45mm f/1.8Panasonic Leica DG 25mm f/1.4 II
Focal length45mm25mm
Max aperturef/1.8f/1.4
Typeprimeprime
CoverageMicro Four ThirdsMicro Four Thirds
MountMicro Four ThirdsMicro Four Thirds

Which should you buy?

Where to buy

Check the Olympus M.Zuiko 45mm f/1.8 price on Amazon →

Check the Panasonic Leica DG 25mm f/1.4 II price on Amazon →

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FAQ

What's the difference between the Olympus M.Zuiko 45mm f/1.8 and the Panasonic Leica DG 25mm f/1.4 II?
The Olympus M.Zuiko 45mm f/1.8 is 45mm f/1.8 prime, Micro Four Thirds; the Panasonic Leica DG 25mm f/1.4 II is 25mm f/1.4 prime, Micro Four Thirds. Both fit the Micro Four Thirds mount.

Which is better in low light, the Olympus M.Zuiko 45mm f/1.8 or the Panasonic Leica DG 25mm f/1.4 II?
The Panasonic Leica DG 25mm f/1.4 II — its f/1.4 maximum aperture lets in more light and gives more background blur than the f/1.8 of the other.

Do the Olympus M.Zuiko 45mm f/1.8 and Panasonic Leica DG 25mm f/1.4 II 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 · OM System M.Zuiko 17mm f/1.8 vs Panasonic Leica DG 15mm f/1.7 · 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 · all Micro Four Thirds lenses · all comparisons