Compare lenses

OM System M.Zuiko 40-150mm f/4 PRO vs OM System M.Zuiko 50-200mm f/2.8 IS PRO

The OM System M.Zuiko 40-150mm f/4 PRO and the OM System M.Zuiko 50-200mm f/2.8 IS PRO side by side, computed from this guide's catalogue.

Which to pick

Pick the OM System M.Zuiko 40-150mm f/4 PRO if you want a wider view (from 80mm equivalent) and a lighter lens (382 g against 1075 g). Pick the OM System M.Zuiko 50-200mm f/2.8 IS PRO if you want a brighter f/2.8 (1.0 stops more light), for dim light and softer backgrounds; optical stabilisation, which helps most on bodies without it; and more reach (to 400mm equivalent).

Still torn? Ask the guide about the OM System M.Zuiko 40-150mm f/4 PRO and the OM System M.Zuiko 50-200mm f/2.8 IS PRO

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
SpecOM System M.Zuiko 40-150mm f/4 PROOM System M.Zuiko 50-200mm f/2.8 IS PRO
MakerOM SystemOM System
Focal length40-150mm (zoom)50-200mm (zoom)
Full-frame equivalent80-300mm on Micro Four Thirds100-400mm on Micro Four Thirds
Maximum aperturef/4f/2.8brighter
Made forMicro Four ThirdsMicro Four Thirds
MountsMicro Four ThirdsMicro Four Thirds
Stabilisednoyesstabilised
Autofocusyesyes
Zoom range3.8×4.0×
Weight382 glighter1075 g
Cameras it fits49 in this guide49 in this guide

Focal range, in full-frame terms

142435508513520040080080-300mm equiv.M.Zuiko 40-150mm f/4
OM System M.Zuiko 40-150mm f/4 PRO: 40-150mm on Micro Four Thirds, like 80-300mm.
1424355085135200400800100-400mm equiv.M.Zuiko 50-200mm f/2.8
OM System M.Zuiko 50-200mm f/2.8 IS PRO: 50-200mm on Micro Four Thirds, like 100-400mm.

Aperture

f/4
OM System M.Zuiko 40-150mm f/4 PRO: f/4 wide open.
f/2.8
OM System M.Zuiko 50-200mm f/2.8 IS PRO: f/2.8 wide open.

Each opening drawn to scale against f/1.4: a smaller f-number lets in more light and blurs the background more.

Field of view

M.Zuiko 40-150mm f/4 at 40mm · 25°M.Zuiko 50-200mm f/2.8 at 50mm · 20°M.Zuiko 40-150mm f/4 at 150mm · 7°M.Zuiko 50-200mm f/2.8 at 200mm · 5°
How wide each sees, at each end, on the sensor it was made for.

Cameras they fit

49 cameras in this guide take both, so either works on the same body.

OM System M.Zuiko 40-150mm f/4 PRO

and 39 more

OM System M.Zuiko 50-200mm f/2.8 IS PRO

and 39 more

On their own pages