FitMyLensthe lens-by-mount reference

OM System M.Zuiko 75mm f/1.8 vs Olympus M.Zuiko 45mm f/1.8

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/1.8Olympus M.Zuiko 45mm f/1.8
Focal length75mm45mm
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 OM System M.Zuiko 75mm f/1.8 price on Amazon →

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

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FAQ

What's the difference between the OM System M.Zuiko 75mm f/1.8 and the Olympus M.Zuiko 45mm f/1.8?
The OM System M.Zuiko 75mm f/1.8 is 75mm f/1.8 prime, Micro Four Thirds; the Olympus M.Zuiko 45mm f/1.8 is 45mm f/1.8 prime, Micro Four Thirds. Both fit the Micro Four Thirds mount.

Do the OM System M.Zuiko 75mm f/1.8 and Olympus M.Zuiko 45mm 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.

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 · OM System M.Zuiko 40-150mm f/2.8 PRO vs OM System M.Zuiko 150-600mm f/5-6.3 IS · OM System M.Zuiko 40-150mm f/2.8 PRO vs Panasonic Leica DG 50-200mm f/2.8-4 · all Micro Four Thirds lenses · all comparisons