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Olympus M.Zuiko 25mm f/1.8 vs Panasonic Lumix G 20mm f/1.7 II

Both are Micro Four Thirds mount primes for everyday — 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 25mm f/1.8Panasonic Lumix G 20mm f/1.7 II
Focal length25mm20mm
Max aperturef/1.8f/1.7
Typeprimeprime
CoverageMicro Four ThirdsMicro Four Thirds
MountMicro Four ThirdsMicro Four Thirds

Which should you buy?

Where to buy

Olympus M.Zuiko Digital 25mm F1.8 Black for Micro Four Thirds System Camera, Compact Design, Beautiful Bokeh, Bright

Olympus M.Zuiko 25mm f/1.8See price on Amazon Amazon has no new-stock listing for this one right now — this button runs an Amazon search for it rather than opening a product page.

Amazon links are affiliate links — we may earn a commission at no extra cost to you.

Panasonic LUMIX G II Lens, 20MM, F1.7 ASPH, MIRRORLESS Micro Four Thirds, H-H020AS (USA Silver)

Panasonic Lumix G 20mm f/1.7 IISee price on Amazon Amazon has no new-stock listing for this one right now — this button runs an Amazon search for it rather than opening a product page.

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 Olympus M.Zuiko 25mm f/1.8 and the Panasonic Lumix G 20mm f/1.7 II?
The Olympus M.Zuiko 25mm f/1.8 is 25mm f/1.8 prime, Micro Four Thirds; the Panasonic Lumix G 20mm f/1.7 II is 20mm f/1.7 prime, Micro Four Thirds. Both fit the Micro Four Thirds mount.

Which is better in low light, the Olympus M.Zuiko 25mm f/1.8 or the Panasonic Lumix G 20mm f/1.7 II?
The Panasonic Lumix G 20mm f/1.7 II — 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 Olympus M.Zuiko 25mm f/1.8 and Panasonic Lumix G 20mm f/1.7 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.

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 40-150mm f/2.8 PRO vs Panasonic Leica DG 50-200mm f/2.8-4 · Panasonic Leica DG 15mm f/1.7 vs Panasonic Lumix G 20mm f/1.7 II · Olympus M.Zuiko 45mm f/1.8 vs Panasonic Leica DG 200mm f/2.8 · Olympus M.Zuiko 45mm f/1.8 vs Panasonic Leica DG 25mm f/1.4 II · all Micro Four Thirds lenses · all comparisons

Olympus M.Zuiko 25mm f/1.8Affiliate linkSee price on Amazon

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