Compare lenses

Olympus M.Zuiko 150-400mm f/4.5 TC1.25x IS PRO vs Panasonic Lumix G 100-300mm f/4-5.6 II

The Olympus M.Zuiko 150-400mm f/4.5 TC1.25x IS PRO and the Panasonic Lumix G 100-300mm f/4-5.6 II side by side, computed from this guide's catalogue.

Which to pick

Pick the Olympus M.Zuiko 150-400mm f/4.5 TC1.25x IS PRO if you want more reach (to 800mm equivalent). Pick the Panasonic Lumix G 100-300mm f/4-5.6 II if you want a brighter f/4 (0.3 stops more light), for dim light and softer backgrounds; a wider view (from 200mm equivalent); and a lighter lens (520 g against 1875 g).

Still torn? Ask the guide about the Olympus M.Zuiko 150-400mm f/4.5 TC1.25x IS PRO and the Panasonic Lumix G 100-300mm f/4-5.6 II

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 150-400mm f/4.5 TC1.25x IS PRO	Panasonic Lumix G 100-300mm f/4-5.6 II
Maker	Olympus	Panasonic
Focal length	150-400mm (zoom)	100-300mm (zoom)
Full-frame equivalent	300-800mm on Micro Four Thirds	200-600mm on Micro Four Thirds
Maximum aperture	f/4.5	f/4-5.6brighter
Made for	Micro Four Thirds	Micro Four Thirds
Mounts	Micro Four Thirds	Micro Four Thirds
Stabilised	yes	yes
Autofocus	yes	yes
Zoom range	2.7×	3.0×more range
Weight	1875 g	520 glighter
Cameras it fits	49 in this guide	49 in this guide

Focal range, in full-frame terms

Olympus M.Zuiko 150-400mm f/4.5 TC1.25x IS PRO: 150-400mm on Micro Four Thirds, like 300-800mm.

Panasonic Lumix G 100-300mm f/4-5.6 II: 100-300mm on Micro Four Thirds, like 200-600mm.

Aperture

Olympus M.Zuiko 150-400mm f/4.5 TC1.25x IS PRO: f/4.5 wide open.

Panasonic Lumix G 100-300mm f/4-5.6 II: 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.