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OM System M.Zuiko 75mm f/1.8 vs Panasonic Leica DG 42.5mm f/1.2

Both are Micro Four Thirds mount primes for portrait and 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

SpecOM System M.Zuiko 75mm f/1.8Panasonic Leica DG 42.5mm f/1.2
Focal length75mm42.5mm
Max aperturef/1.8f/1.2
Typeprimeprime
CoverageMicro Four ThirdsMicro Four Thirds
MountMicro Four ThirdsMicro Four Thirds

Which should you buy?

Where to buy

OM SYSTEM Olympus M.Zuiko Digital ED 75mm f1.8 Lens for Micro Four Thirds, Black

Check the OM System M.Zuiko 75mm f/1.8 price on Amazon →

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Panasonic LUMIX G Leica DG NOCTICRON Lens, 42.5MM, F1.2 ASPH., Professional MIRRORLESS Micro Four Thirds, Power Optical

Check the Panasonic Leica DG 42.5mm f/1.2 price on Amazon →

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FAQ

What's the difference between the OM System M.Zuiko 75mm f/1.8 and the Panasonic Leica DG 42.5mm f/1.2?
The OM System M.Zuiko 75mm f/1.8 is 75mm f/1.8 prime, Micro Four Thirds; the Panasonic Leica DG 42.5mm f/1.2 is 42.5mm f/1.2 prime, Micro Four Thirds. Both fit the Micro Four Thirds mount.

Which is better in low light, the OM System M.Zuiko 75mm f/1.8 or the Panasonic Leica DG 42.5mm f/1.2?
The Panasonic Leica DG 42.5mm f/1.2 — its f/1.2 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 75mm f/1.8 and Panasonic Leica DG 42.5mm f/1.2 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: 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 100-400mm f/5-6.3 IS II 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 · OM System M.Zuiko 40-150mm f/2.8 PRO vs OM System M.Zuiko 150-600mm f/5-6.3 IS · all Micro Four Thirds lenses · all comparisons

OM System M.Zuiko 75mm f/1.8Affiliate linkAmazon →