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Panasonic Leica DG 100-400mm II vs Panasonic Leica DG 50-200mm f/2.8-4

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 IIPanasonic Leica DG 50-200mm f/2.8-4
Focal length100-400mm50-200mm
Max aperturef/4-6.3f/2.8-4
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 Panasonic Leica DG 50-200mm f/2.8-4 price on Amazon →

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FAQ

What's the difference between the Panasonic Leica DG 100-400mm II and the Panasonic Leica DG 50-200mm f/2.8-4?
The Panasonic Leica DG 100-400mm II is 100-400mm f/4-6.3 zoom, Micro Four Thirds; the Panasonic Leica DG 50-200mm f/2.8-4 is 50-200mm f/2.8-4 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 Panasonic Leica DG 50-200mm f/2.8-4?
The Panasonic Leica DG 50-200mm f/2.8-4 — its f/2.8-4 maximum aperture lets in more light and gives more background blur than the f/4-6.3 of the other.

Do the Panasonic Leica DG 100-400mm II and Panasonic Leica DG 50-200mm f/2.8-4 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