General

Olympus OM-D E-M5 II Sony a7 III
Brand
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Olympus Sony
Lowest price
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$825.67 $1,876.19
Announced
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February 2015 February 2018

Sensor

Type
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CMOS CMOS
Crop factor
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2.1x 1x
Megapixels
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15.9 MP 24 MP
Light sensitivity
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25,600 ISO 51,200 ISO
Light sensitivity (boost)
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Unknown Unknown
Sensor cleaning
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Unknown Unknown

Sensor (Advanced)

True resolution
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15.9 MP 24 MP
Native resolution
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4608 × 3456 6000 × 4000
Pixel size
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14.1 µm² 35.5 µm²

Screen

Type
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LCD LCD
Size
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3" 3"
Resolution
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1,037k dots 921k dots
Touch screen
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Yes Yes
Flips out
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Yes Yes
Live view
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Yes Yes

Lenses

Lens availability
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108 lenses 92 lenses
Lens mount
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Micro Four Thirds Sony E (Full Frame)

Form factor

Size
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124×85×45 mm 127×96×74 mm
Depth
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1.8" 2.9"
Weight
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469 g 650 g
Interchangeable lenses
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Yes Yes
Waterproof
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No No
Weather sealed
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Yes Yes
Built-in focus motor
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No No

Viewfinder

Type
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Digital Digital
Viewfinder size
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0.71x 0.78x
Coverage
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100% 100%

Movies

Format
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1080p @ 60fps UHD @ 30fps
Supports 24p
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Yes Yes
High-speed framerate
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None 120 fps
External mic jack
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Yes Yes
Autofocus
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Unknown Unknown
All formats
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  1. 480p @ 30fps
  2. 720p @ 24fps
  3. 720p @ 25fps
  4. 720p @ 30fps
  5. 720p @ 50fps
  6. 720p @ 60fps
  7. 1080p @ 24fps
  8. 1080p @ 25fps
  9. 1080p @ 30fps
  10. 1080p @ 50fps
  11. 1080p @ 60fps
  1. 480p @ 30fps
  2. 1,440 x 1,080 @ 30fps
  3. 1080p @ 24fps
  4. 1080p @ 60fps
  5. 1080p @ 120fps
  6. UHD @ 24fps
  7. UHD @ 30fps

Features

Panorama
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Unknown Unknown
HDR
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Unknown Unknown
3D
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Unknown Unknown
Image stabilization
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  1. Sensor shift
  1. Sensor shift
Supports RAW
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Unknown Unknown
GPS
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No No

Performance

Startup delay
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800 ms Unknown
Shutter lag
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137 ms Unknown
Battery life
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360 shots 710 shots
Continuous shooting
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10 fps 10 fps

Focus system

Autofocus
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Contrast detection Phase detection
Focus points
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81 693
Cross type focus points
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Unknown Unknown

Shutter

Max
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1/8000s 1/8000s
Min
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60s 30s

Flash

Built-in flash
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No No
External connection
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Yes Yes

Storage

Storage slots
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1 1
Supported formats
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  1. SD
  2. SDHC
  3. SDXC
  1. Memory Stick PRO-HG Duo
  2. SD
  3. SDHC
  4. SDXC
Olympus OM-D E-M5 II
OM-D E-M5 II
Olympus

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a7 III
Sony

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