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Olympus PEN E-P7 vs OM SYSTEM OM-3

The OM SYSTEM OM-3 is 21 mm wider, 20.4 mm taller, 7.7 mm deeper and 159 g heavier than the Olympus PEN E-P7. The Olympus PEN E-P7 takes up 46 % less space (the box around the body, without lens).

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Olympus PEN E-P7

Olympus PEN E-P7
Width × height × depth
118.3 × 68.5 × 38.1 mm (4.66 × 2.70 × 1.50 in)
Weight
337 g (11.9 oz)
Mount
Micro Four Thirds
Price
no recent price

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OM SYSTEM OM-3

OM SYSTEM OM-3
Width × height × depth
139.3 × 88.9 × 45.8 mm (5.48 × 3.50 × 1.80 in)
Weight
496 g (17.5 oz)
Mount
Micro Four Thirds
Price
no recent price

All about the OM-3 →

Specifications compared

PEN E-P7OM-3
SensorMicro Four ThirdsFour Thirds
Resolution20.3 MP (5184 x 3888)20.4 MP
StabilizationSensor-shift (5-axis)Sensor-Shift
ISO200–25,600 (ext. 100)200–25,600
Video4K 30p4K internal
ScreenTilting 3" touchscreen (flips down for selfies)Articulating 3" Touchscreen LCD
ViewfinderNoneElectronic (OLED) · 2,360,000 Dot · 1.23x
BatteryBLS-50BLX-1
Dimensions118.3 x 68.5 x 38.1 mm139.3 x 88.9 x 45.8 mm
Weight337 g with battery & card · 289 g body496 g with battery & card
Shutter speed1/4000–60 s (electronic 1/16000)1/32000–60 s
Burst8.7 fps mechanical, 15 fps electronicUp to 120 fps
Autofocus121-point contrast AF, face/eye detection1053-point cross-type hybrid AF, subject detection
Card slots1x SD UHS-IISingle Slot: SD/SDHC/SDXC (UHS-II)

Values that differ are in bold. From the makers' published specifications.

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