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Olympus E-M10 II vs Sony A7

Portability
82
Imaging
54
Features
77
Overall
63
Olympus OM-D E-M10 II front
 
Sony Alpha A7 front
Portability
78
Imaging
71
Features
80
Overall
74

Olympus E-M10 II vs Sony A7 Key Specs

Olympus E-M10 II
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Tilting Screen
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 390g - 120 x 83 x 47mm
  • Introduced August 2015
  • Superseded the Olympus E-M10
  • Replacement is Olympus E-M10 III
Sony A7
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 50 - 25600
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Sony E Mount
  • 474g - 127 x 94 x 48mm
  • Introduced January 2014
  • Later Model is Sony A7 II
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Olympus E-M10 II vs Sony A7 Overview

In this write-up, we are analyzing the Olympus E-M10 II vs Sony A7, one is a Entry-Level Mirrorless and the other is a Pro Mirrorless by rivals Olympus and Sony. There is a huge difference between the resolutions of the E-M10 II (16MP) and A7 (24MP) and the E-M10 II (Four Thirds) and A7 (Full frame) use totally different sensor dimensions.

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The E-M10 II was manufactured 20 months after the A7 making the cameras a generation away from each other. Each of these cameras offer the identical body type (SLR-style mirrorless).

Before delving straight into a detailed comparison, below is a quick view of how the E-M10 II scores versus the A7 when considering portability, imaging, features and an overall score.

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Reasons to pick Olympus E-M10 II over the Sony A7

 E-M10 II A7 
IntroducedAugust 2015January 2014More modern by 20 months
Touch display Easily navigate

Reasons to pick Sony A7 over the Olympus E-M10 II

 A7 E-M10 II 
Display resolution1230k1040kCrisper display (+190k dot)

Common features in the Olympus E-M10 II and Sony A7

 E-M10 II A7 
Focus manually Very accurate focusing
Display typeTiltingTiltingTilting display
Display sizing3"3"Equivalent display sizing
Selfie screen Neither includes selfie screen

Olympus E-M10 II vs Sony A7 Physical Comparison

For those who are going to carry around your camera often, you will need to factor in its weight and size. The Olympus E-M10 II features outside dimensions of 120mm x 83mm x 47mm (4.7" x 3.3" x 1.9") with a weight of 390 grams (0.86 lbs) whilst the Sony A7 has specifications of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") having a weight of 474 grams (1.04 lbs).

Look at the Olympus E-M10 II vs Sony A7 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will change depending on the lens you select at that moment. Below is the front view scale comparison of the E-M10 II compared to the A7.

Olympus E-M10 II vs Sony A7 size comparison

Taking into consideration size and weight, the portability rating of the E-M10 II and A7 is 82 and 78 respectively.

Olympus E-M10 II vs Sony A7 top view buttons comparison

Olympus E-M10 II vs Sony A7 Sensor Comparison

Generally, it is very hard to see the gap between sensor sizes just by checking specifications. The pic underneath will offer you a clearer sense of the sensor dimensions in the E-M10 II and A7.

To sum up, both the cameras offer different megapixels and different sensor sizes. The E-M10 II due to its tinier sensor will make getting bokeh more difficult and the Sony A7 will resolve extra detail due to its extra 8MP. Greater resolution will enable you to crop photos a little more aggressively. The more modern E-M10 II will have a benefit when it comes to sensor innovation.

Olympus E-M10 II vs Sony A7 sensor size comparison

Olympus E-M10 II vs Sony A7 Screen and ViewFinder

Olympus E-M10 II vs Sony A7 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M10 II Portrait photography features
Sony A7 Portrait photography features
72
you can focus manually
MP count decent (16MP)
good sensor size (Four Thirds)
supports face detect autofocus
delivers RAW files
82
you can focus manually
megapixel count decent (24 megapixels)
great sensor size (Full frame)
provides face detection autofocus
supports RAW formats
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Street Comparison

Olympus E-M10 II as a Street photography camera
Sony A7 as a Street photography camera
83
screen tilts
built in image stabilization (Sensor based 5-axis)
good sensor size (Four Thirds)
delivers RAW files
includes focus via touch
above average high ISO (25,600)
79
screen tilts up and down
great sensor size (Full frame)
supports RAW formats
weather proof
lighter than competitors (474g)
above average ISO range (25,600)
does not have image stabilization
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Sports Comparison

Olympus E-M10 II Sports photography information
Sony A7 Sports photography information
67
built in image stabilization (Sensor based 5-axis)
MP count decent (16 megapixels)
good sensor size (Four Thirds)
supports tracking focus
lack of phase detect autofocus
66
high shutter speed (1/8,000 seconds)
megapixel count decent (24MP)
great sensor size (Full frame)
weather proof
has phase detect autofocus
painfully slow continuous shooting (5.0 frames per second)
does not have image stabilization
terrible battery pack (340 shots)
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Travel Comparison

Olympus E-M10 II as a Travel photography camera
Sony A7 as a Travel photography camera
73
includes focus via touch
MP count decent (16MP)
built-in flash
does not posses selfie friendly screen
69
lighter than competitors (474g)
weather proof
megapixel count decent (24 megapixels)
terrible battery pack (340 per charge)
screen is not selfie friendly
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Landscape Comparison

Landscape photography with Olympus E-M10 II
Landscape photography with Sony A7
79
you can focus manually
change lenses (Micro Four Thirds mount)
screen is a decent size (3 inches)
built in image stabilization (Sensor based 5-axis)
MP count decent (16MP)
good sensor size (Four Thirds)
above average high ISO (25,600)
delivers RAW files
76
you can focus manually
change lenses (Sony E mount)
screen size is good (3 inch)
megapixel count decent (24MP)
great sensor size (Full frame)
above average ISO range (25,600)
supports RAW formats
weather proof
does not have image stabilization
terrible battery pack (340 CIPA)
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Vlogging Comparison

Olympus E-M10 II Vlogging features
Sony A7 Vlogging features
35
built-in touchscreen
built in image stabilization (Sensor based 5-axis)
supports face detect autofocus
high res video (1920 x 1080 resolution)
does not posses selfie friendly screen
lack of mic socket
36
provides face detection autofocus
high res video (1920 x 1080 pixels)
has external microphone socket
lighter than competitors (474g)
screen is not selfie friendly
does not have image stabilization
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Olympus E-M10 II vs Sony A7 Specifications

Detailed spec comparison table for Olympus E-M10 II and Sony A7
 Olympus OM-D E-M10 IISony Alpha A7
General Information
Manufacturer Olympus Sony
Model type Olympus OM-D E-M10 II Sony Alpha A7
Class Entry-Level Mirrorless Pro Mirrorless
Introduced 2015-08-25 2014-01-22
Physical type SLR-style mirrorless SLR-style mirrorless
Sensor Information
Powered by TruePic VII Bionz X
Sensor type CMOS CMOS
Sensor size Four Thirds Full frame
Sensor measurements 17.3 x 13mm 35.8 x 23.9mm
Sensor surface area 224.9mm² 855.6mm²
Sensor resolution 16 megapixels 24 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Peak resolution 4608 x 3456 6000 x 4000
Highest native ISO 25600 25600
Min native ISO 200 50
RAW pictures
Min enhanced ISO 100 -
Autofocusing
Manual focusing
Touch focus
Continuous autofocus
Single autofocus
Tracking autofocus
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 81 117
Cross type focus points - 25
Lens
Lens mount type Micro Four Thirds Sony E
Number of lenses 107 121
Crop factor 2.1 1
Screen
Screen type Tilting Tilting
Screen sizing 3" 3"
Screen resolution 1,040 thousand dots 1,230 thousand dots
Selfie friendly
Liveview
Touch capability
Screen tech - Xtra Fine LCD
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 2,360 thousand dots 2,359 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.62x 0.71x
Features
Min shutter speed 60 secs 30 secs
Max shutter speed 1/4000 secs 1/8000 secs
Continuous shutter rate 8.0 frames per second 5.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash distance 5.80 m (ISO 100) no built-in flash
Flash settings Auto, redeye reduction, fill flash, flash off, 1st-curtain slow sync w/redeye, 1st-curtain slow sync, 2nd-curtain slow sync, manual no built-in flash
External flash
Auto exposure bracketing
White balance bracketing
Max flash synchronize - 1/250 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (60p/30p/24p), 1280 x 720 (60p/30p/24p), 640 x 480 (30 fps) 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
Highest video resolution 1920x1080 1920x1080
Video file format H.264, Motion JPEG MPEG-4, AVCHD
Microphone port
Headphone port
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 390 gr (0.86 pounds) 474 gr (1.04 pounds)
Dimensions 120 x 83 x 47mm (4.7" x 3.3" x 1.9") 127 x 94 x 48mm (5.0" x 3.7" x 1.9")
DXO scores
DXO Overall rating 73 90
DXO Color Depth rating 23.1 24.8
DXO Dynamic range rating 12.5 14.2
DXO Low light rating 842 2248
Other
Battery life 320 photographs 340 photographs
Form of battery Battery Pack Battery Pack
Battery ID BLS-50 NP-FW50
Self timer Yes (12 sec., 2 sec, custom) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse feature With downloadable app
Storage type SD/SDHC/SDXC SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots 1 1
Cost at release $499 $798