OM System M.Zuiko 12-40mm f/2.8 PRO II vs OM System M.Zuiko 8-25mm f/4 PRO
Both are Micro Four Thirds mount zooms for travel — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.
| Spec | OM System M.Zuiko 12-40mm f/2.8 PRO II | OM System M.Zuiko 8-25mm f/4 PRO |
|---|---|---|
| Focal length | 12-40mm | 8-25mm |
| Max aperture | f/2.8 | f/4 |
| 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 12-40mm f/2.8 PRO II opens wider (f/2.8) — brighter in low light and more background blur
- the OM System M.Zuiko 12-40mm f/2.8 PRO II covers 12-40mm and the OM System M.Zuiko 8-25mm f/4 PRO covers 8-25mm — pick the range that matches what you shoot
- the OM System M.Zuiko 8-25mm f/4 PRO covers Micro Four Thirds (also works on APS-C bodies); the OM System M.Zuiko 12-40mm f/2.8 PRO II is Micro Four Thirds-only — it won't fill a full-frame sensor
Where to buy
Check the OM System M.Zuiko 12-40mm f/2.8 PRO II price on Amazon →
Check the OM System M.Zuiko 8-25mm f/4 PRO price on Amazon →
FAQ
What's the difference between the OM System M.Zuiko 12-40mm f/2.8 PRO II and the OM System M.Zuiko 8-25mm f/4 PRO?
The OM System M.Zuiko 12-40mm f/2.8 PRO II is 12-40mm f/2.8 zoom, Micro Four Thirds; the OM System M.Zuiko 8-25mm f/4 PRO is 8-25mm f/4 zoom, Micro Four Thirds. Both fit the Micro Four Thirds mount.
Which is better in low light, the OM System M.Zuiko 12-40mm f/2.8 PRO II or the OM System M.Zuiko 8-25mm f/4 PRO?
The OM System M.Zuiko 12-40mm f/2.8 PRO II — its f/2.8 maximum aperture lets in more light and gives more background blur than the f/4 of the other.
Do the OM System M.Zuiko 12-40mm f/2.8 PRO II and OM System M.Zuiko 8-25mm f/4 PRO 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. Note the OM System M.Zuiko 12-40mm f/2.8 PRO II is Micro Four Thirds-only and won't fill a full-frame sensor.
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 · Olympus M.Zuiko 45mm f/1.8 vs OM System M.Zuiko 75mm f/1.8 · Panasonic Lumix G 20mm f/1.7 II vs Panasonic Leica DG 15mm f/1.7 · all Micro Four Thirds lenses · all comparisons