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

Spec	Panasonic Leica DG 100-400mm II	Panasonic Leica DG 50-200mm f/2.8-4
Focal length	100-400mm	50-200mm
Max aperture	f/4-6.3	f/2.8-4
Type	zoom	zoom
Coverage	Micro Four Thirds	Micro Four Thirds
Mount	Micro Four Thirds	Micro Four Thirds

Which should you buy?

the Panasonic Leica DG 50-200mm f/2.8-4 opens wider (f/2.8-4) — brighter in low light and more background blur
the Panasonic Leica DG 100-400mm II covers 100-400mm and the Panasonic Leica DG 50-200mm f/2.8-4 covers 50-200mm — pick the range that matches what you shoot

Where to buy

Panasonic LUMIX Micro Four Thirds Camera Lens, Leica DG Vario-Elmar 100-400mm, F4.0-6.3 II ASPH., Power O.I.S. - H-RSA10

Panasonic Leica DG 100-400mm IISee price on Amazon

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

Panasonic LUMIX Professional 50-200mm Camera Lens, G Leica DG Vario-ELMARIT, F2.8-4.0 ASPH, Dual I.S. 2.0 with Power O.I

Panasonic Leica DG 50-200mm f/2.8-4See 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 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.

Citing these specs? Go ahead — manufacturer data, last verified 2026-06-21. Copy a ready-made reference:

More Micro Four Thirds comparisons: Panasonic Leica DG 15mm f/1.7 vs Panasonic Lumix G 20mm f/1.7 II · Panasonic Leica DG 25mm f/1.4 II vs OM System M.Zuiko 20mm f/1.4 PRO · Panasonic Leica DG 12-60mm f/2.8-4 vs Panasonic Lumix G Vario 12-60mm f/3.5-5.6 · Panasonic Leica DG 15mm f/1.7 vs OM System M.Zuiko 20mm f/1.4 PRO · all Micro Four Thirds lenses · all comparisons

Panasonic Leica DG 100-400mm IIAffiliate linkSee price on Amazon