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Olympus M.Zuiko 45mm f/1.8 vs OM System M.Zuiko 17mm f/1.8

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/1.8OM System M.Zuiko 17mm f/1.8
Focal length45mm17mm
Max aperturef/1.8f/1.8
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 OM System M.Zuiko 17mm f/1.8 price on Amazon →

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FAQ

What's the difference between the Olympus M.Zuiko 45mm f/1.8 and the OM System M.Zuiko 17mm f/1.8?
The Olympus M.Zuiko 45mm f/1.8 is 45mm f/1.8 prime, Micro Four Thirds; the OM System M.Zuiko 17mm f/1.8 is 17mm f/1.8 prime, Micro Four Thirds. Both fit the Micro Four Thirds mount.

Do the Olympus M.Zuiko 45mm f/1.8 and OM System M.Zuiko 17mm f/1.8 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. Note the Olympus M.Zuiko 45mm f/1.8 is Micro Four Thirds-only and won't fill a full-frame sensor.

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