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OM System M.Zuiko 75mm f/1.8 vs Panasonic Lumix G 42.5mm f/1.7 ASPH Power OIS

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 Lumix G 42.5mm f/1.7 ASPH Power OIS
Focal length75mm42.5mm
Max aperturef/1.8f/1.7
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

OM System M.Zuiko 75mm f/1.8See price on Amazon

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Panasonic LUMIX G Lens, 42.5MM, F1.7 ASPH., MIRRORLESS Micro Four Thirds, Power Optical I.S., H-HS043K (USA Black)

Panasonic Lumix G 42.5mm f/1.7 ASPH Power OISSee price on Amazon

As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Affiliate links never affect our specs or which lenses we compare.

FAQ

What's the difference between the OM System M.Zuiko 75mm f/1.8 and the Panasonic Lumix G 42.5mm f/1.7 ASPH Power OIS?
The OM System M.Zuiko 75mm f/1.8 is 75mm f/1.8 prime, Micro Four Thirds; the Panasonic Lumix G 42.5mm f/1.7 ASPH Power OIS is 42.5mm 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 75mm f/1.8 or the Panasonic Lumix G 42.5mm f/1.7 ASPH Power OIS?
The Panasonic Lumix G 42.5mm f/1.7 ASPH Power OIS — 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 75mm f/1.8 and Panasonic Lumix G 42.5mm f/1.7 ASPH Power OIS 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 8-25mm f/4 PRO vs Panasonic Leica DG 8-18mm f/2.8-4 · Olympus M.Zuiko 25mm f/1.8 vs Panasonic Lumix G 25mm f/1.7 · all Micro Four Thirds lenses · all comparisons

OM System M.Zuiko 75mm f/1.8Affiliate linkSee price on Amazon

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