FitMyLensthe lens-by-mount reference

Panasonic Leica DG 100-400mm II vs OM System M.Zuiko 150-600mm f/5-6.3 IS

Both are Micro Four Thirds mount zooms for telephoto and wildlife — 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

SpecPanasonic Leica DG 100-400mm IIOM System M.Zuiko 150-600mm f/5-6.3 IS
Focal length100-400mm150-600mm
Max aperturef/4-6.3f/5-6.3
Typezoomzoom
CoverageMicro Four ThirdsMicro Four Thirds
MountMicro Four ThirdsMicro Four Thirds

Which should you buy?

Where to buy

Check the Panasonic Leica DG 100-400mm II price on Amazon →

Check the OM System M.Zuiko 150-600mm f/5-6.3 IS 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 Panasonic Leica DG 100-400mm II and the OM System M.Zuiko 150-600mm f/5-6.3 IS?
The Panasonic Leica DG 100-400mm II is 100-400mm f/4-6.3 zoom, Micro Four Thirds; the OM System M.Zuiko 150-600mm f/5-6.3 IS is 150-600mm f/5-6.3 zoom, Micro Four Thirds. Both fit the Micro Four Thirds mount.

Which is better in low light, the Panasonic Leica DG 100-400mm II or the OM System M.Zuiko 150-600mm f/5-6.3 IS?
The Panasonic Leica DG 100-400mm II — its f/4-6.3 maximum aperture lets in more light and gives more background blur than the f/5-6.3 of the other.

Do the Panasonic Leica DG 100-400mm II and OM System M.Zuiko 150-600mm f/5-6.3 IS 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