CameraLore
Side-by-side comparison

Olympus OM-D E-M1 Mark III
vs Olympus PEN E-P7

Archive illustration for Olympus OM-D E-M1 Mark III

Olympus / 2020

OM-D E-M1 Mark III

Full specifications
VS
Archive illustration for Olympus PEN E-P7

Olympus / 2021

PEN E-P7

Full specifications

Sensor area

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225 mm²
OM-D E-M1 Mark III
225 mm²
PEN E-P7
Area ratio
1:1
Absolute difference
0 mm²
Relative difference
0%

The OM-D E-M1 Mark III and PEN E-P7 have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.

These cameras were released 1 years apart. Consider sensor generation when comparing pixel metrics.

Key specification differences

OM-D E-M1 Mark IIIMetricPEN E-P7
20.4 MPEffective pixels20.3 MP
17.3 × 13Sensor17.3 × 13
3.32 µmPixel pitch3.33 µm
11.02 µm²Pixel area11.08 µm²
9.07 MP/cm²Pixel density9.03 MP/cm²
2Crop factor2
4,096 × 2,160Maximum video3,840 × 2,160
580 gWeight337 g
SD/SDHC/SDXCStorageSD/SDHC/SDXC
BLH-1 lithium-ion battery Li-ion batteryBatteryBLS-50 lithium-ion battery Li-ion battery

Amber marks the value that is generally preferable in this comparison context. It is not an overall camera score.

How to choose between these cameras

The OM-D E-M1 Mark III and PEN E-P7 have the same sensor area. The PEN E-P7 has the lighter body. The OM-D E-M1 Mark III has the higher effective resolution. The PEN E-P7 is the newer release. Also consider the lens system and subjects you shoot.

Reasons to choose OM-D E-M1 Mark III

Released in 2020, OM-D E-M1 Mark III has about 225 mm² of sensor area, 20.4 MP effective resolution, and a 580 g body. Use these values to narrow the field, not as an overall image-quality score.

Reasons to choose PEN E-P7

Released in 2021, PEN E-P7 has about 225 mm² of sensor area, 20.3 MP effective resolution, and a 337 g body. Use these values to narrow the field, not as an overall image-quality score.

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