OM System M.Zuiko 40-150mm f/2.8 PRO vs Panasonic Lumix G 100-300mm f/4-5.6 II

Both are Micro Four Thirds mount zooms for telephoto and sports & action — 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	OM System M.Zuiko 40-150mm f/2.8 PRO	Panasonic Lumix G 100-300mm f/4-5.6 II
Focal length	40-150mm	100-300mm
Max aperture	f/2.8	f/4-5.6
Type	zoom	zoom
Coverage	Micro Four Thirds	Micro Four Thirds
Mount	Micro Four Thirds	Micro Four Thirds

Which should you buy?

the OM System M.Zuiko 40-150mm f/2.8 PRO opens wider (f/2.8) — brighter in low light and more background blur
the OM System M.Zuiko 40-150mm f/2.8 PRO covers 40-150mm and the Panasonic Lumix G 100-300mm f/4-5.6 II covers 100-300mm — pick the range that matches what you shoot

Where to buy

OM SYSTEM Olympus M.Zuiko Digital ED 40-150mm F2.8 PRO for Micro Four Thirds System Camera, Light Weight Powerful Zoom,

OM System M.Zuiko 40-150mm f/2.8 PROSee price on Amazon

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Panasonic Lumix G 100-300mm f/4-5.6 IISee price on Amazon We could not find this one on Amazon US in Micro Four Thirds — this button runs an Amazon search for it rather than opening a product page.

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FAQ

What's the difference between the OM System M.Zuiko 40-150mm f/2.8 PRO and the Panasonic Lumix G 100-300mm f/4-5.6 II?
The OM System M.Zuiko 40-150mm f/2.8 PRO is 40-150mm f/2.8 zoom, Micro Four Thirds; the Panasonic Lumix G 100-300mm f/4-5.6 II is 100-300mm f/4-5.6 zoom, Micro Four Thirds. Both fit the Micro Four Thirds mount.

Which is better in low light, the OM System M.Zuiko 40-150mm f/2.8 PRO or the Panasonic Lumix G 100-300mm f/4-5.6 II?
The OM System M.Zuiko 40-150mm f/2.8 PRO — its f/2.8 maximum aperture lets in more light and gives more background blur than the f/4-5.6 of the other.

Do the OM System M.Zuiko 40-150mm f/2.8 PRO and Panasonic Lumix G 100-300mm f/4-5.6 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 17mm f/1.8 vs Olympus M.Zuiko 25mm f/1.8 · OM System M.Zuiko 40-150mm f/2.8 PRO vs Panasonic Leica DG 50-200mm f/2.8-4 · OM System M.Zuiko 75mm f/1.8 vs Panasonic Leica DG 200mm f/2.8 · OM System M.Zuiko 75mm f/1.8 vs Panasonic Leica DG 42.5mm f/1.2 · all Micro Four Thirds lenses · all comparisons

OM System M.Zuiko 40-150mm f/2.8 PROAffiliate linkSee price on Amazon