Compare cameras

Olympus OM-D E-M1 Mark III vs Olympus OM-D E-M10 Mark IV

The Olympus OM-D E-M1 Mark III and the Olympus OM-D E-M10 Mark IV side by side, computed from this guide's catalogue.

Which to pick

Pick the Olympus OM-D E-M10 Mark IV if you want a lighter body (383 g against 580 g). On these specs the Olympus OM-D E-M1 Mark III 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 OM-D E-M1 Mark III and the Olympus OM-D E-M10 Mark IV

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 OM-D E-M1 Mark III	Olympus OM-D E-M10 Mark IV
Maker	Olympus	Olympus
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	20.4 MP	20.3 MP
Stabilisation	in the body	in the body
Announced	2020	2020
Type	mirrorless camera	mirrorless camera
Weight	580 g	383 glighter
Lenses in this guide	125 for its sensor	125 for its sensor

Sensor size

Both sensors drawn to the same scale.

Crop factors: Olympus OM-D E-M1 Mark III 2×, Olympus OM-D E-M10 Mark IV 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 OM-D E-M1 Mark III: 125 Micro Four Thirds lenses in this guide cover its sensor. The Olympus OM-D E-M10 Mark IV: 125 Micro Four Thirds lenses in this guide cover its sensor.