Compare cameras

Olympus PEN E-P7 vs OM System OM-1

The Olympus PEN E-P7 and the OM System OM-1 side by side, computed from this guide's catalogue.

Which to pick

Pick the Olympus PEN E-P7 if you want a lighter body (337 g against 599 g). On these specs the OM System OM-1 has no clear advantage: choose it if the price, the handling or a lens you own decides it.

Still torn? Ask the guide about the Olympus PEN E-P7 and the OM System OM-1

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 PEN E-P7	OM System OM-1
Maker	Olympus	OM System
Mount	Micro Four Thirds	Micro Four Thirds
Sensor	Micro Four Thirds, 17.3 x 13 mm	Micro Four Thirds, 17.3 x 13 mm
Crop factor	2×	2×
Resolution	20.3 MP	20.4 MP
Stabilisation	in the body	in the body
Announced	2021	2022
Type	mirrorless camera	mirrorless camera
Weight	337 glighter	599 g
Lenses in this guide	125 for its sensor	125 for its sensor

Sensor size

Both sensors drawn to the same scale.

Crop factors: Olympus PEN E-P7 2×, OM System OM-1 2×.

What a 50mm frames like

Both have the same sensor size, so a 50mm lens frames the same on each: like 100mm on full frame.

Horizontal angle of view on each.

Lenses

Both take Micro Four Thirds lenses, so a lens bought for one works on the other: 125 lenses in this guide cover both sensors.

The Olympus PEN E-P7: 125 Micro Four Thirds lenses in this guide cover its sensor. The OM System OM-1: 125 Micro Four Thirds lenses in this guide cover its sensor.