Compare lenses

Olympus M.Zuiko 40-150mm f/2.8 PRO vs OM System M.Zuiko 40-150mm f/4 PRO

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

Which to pick

Pick the Olympus M.Zuiko 40-150mm f/2.8 PRO if you want a brighter f/2.8 (1.0 stops more light), for dim light and softer backgrounds. Pick the OM System M.Zuiko 40-150mm f/4 PRO if you want a lighter lens (382 g against 880 g).

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

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	Olympus M.Zuiko 40-150mm f/2.8 PRO	OM System M.Zuiko 40-150mm f/4 PRO
Maker	Olympus	OM System
Focal length	40-150mm (zoom)	40-150mm (zoom)
Full-frame equivalent	80-300mm on Micro Four Thirds	80-300mm on Micro Four Thirds
Maximum aperture	f/2.8brighter	f/4
Made for	Micro Four Thirds	Micro Four Thirds
Mounts	Micro Four Thirds	Micro Four Thirds
Stabilised	no	no
Autofocus	yes	yes
Zoom range	3.8×	3.8×
Weight	880 g	382 glighter
Cameras it fits	49 in this guide	49 in this guide

Focal range, in full-frame terms

Olympus M.Zuiko 40-150mm f/2.8 PRO: 40-150mm on Micro Four Thirds, like 80-300mm.

OM System M.Zuiko 40-150mm f/4 PRO: 40-150mm on Micro Four Thirds, like 80-300mm.

Aperture

Olympus M.Zuiko 40-150mm f/2.8 PRO: f/2.8 wide open.

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

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.