Compare lenses

Olympus M.Zuiko 45mm f/1.2 PRO vs Panasonic Lumix G 42.5mm f/1.7

The Olympus M.Zuiko 45mm f/1.2 PRO and the Panasonic Lumix G 42.5mm f/1.7 side by side, computed from this guide's catalogue.

Which to pick

Pick the Olympus M.Zuiko 45mm f/1.2 PRO if you want a brighter f/1.2 (1.0 stops more light), for dim light and softer backgrounds. Pick the Panasonic Lumix G 42.5mm f/1.7 if you want optical stabilisation, which helps most on bodies without it and a lighter lens (130 g against 410 g).

Still torn? Ask the guide about the Olympus M.Zuiko 45mm f/1.2 PRO and the Panasonic Lumix G 42.5mm f/1.7

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 45mm f/1.2 PRO	Panasonic Lumix G 42.5mm f/1.7
Maker	Olympus	Panasonic
Focal length	45mm (prime)	42mm (prime)
Full-frame equivalent	90mm on Micro Four Thirds	85mm on Micro Four Thirds
Maximum aperture	f/1.2brighter	f/1.7
Made for	Micro Four Thirds	Micro Four Thirds
Mounts	Micro Four Thirds	Micro Four Thirds
Stabilised	no	yesstabilised
Autofocus	yes	yes
Weight	410 g	130 glighter
Cameras it fits	49 in this guide	49 in this guide

Focal range, in full-frame terms

Olympus M.Zuiko 45mm f/1.2 PRO: 45mm on Micro Four Thirds, like 90mm.

Panasonic Lumix G 42.5mm f/1.7: 42mm on Micro Four Thirds, like 85mm.

Aperture

Olympus M.Zuiko 45mm f/1.2 PRO: f/1.2 wide open.

Panasonic Lumix G 42.5mm f/1.7: f/1.7 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.