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Olympus E-M10 II vs Sony A7 II

Portability
82
Imaging
54
Features
77
Overall
63
Olympus OM-D E-M10 II front
 
Sony Alpha A7 II front
Portability
69
Imaging
72
Features
84
Overall
76

Olympus E-M10 II vs Sony A7 II 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
  • Announced August 2015
  • Previous Model is Olympus E-M10
  • Refreshed by Olympus E-M10 III
Sony A7 II
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 25600 (Raise to 51200)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Sony E Mount
  • 599g - 127 x 96 x 60mm
  • Announced November 2014
  • Replaced the Sony A7
  • Refreshed by Sony A7 III
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Olympus E-M10 II vs Sony A7 II Overview

Here, we are reviewing the Olympus E-M10 II and Sony A7 II, one is a Entry-Level Mirrorless and the other is a Pro Mirrorless by manufacturers Olympus and Sony. There exists a sizeable gap between the resolutions of the E-M10 II (16MP) and A7 II (24MP) and the E-M10 II (Four Thirds) and A7 II (Full frame) boast different sensor size.

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The E-M10 II was announced 10 months after the A7 II so they are of a similar generation. The two cameras feature the same body design (SLR-style mirrorless).

Before delving straight to a complete comparison, here is a concise view of how the E-M10 II matches up vs the A7 II when it comes to portability, imaging, features and an overall mark.

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

 E-M10 II A7 II 
AnnouncedAugust 2015November 2014Newer by 10 months
Touch display Easily navigate

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

 A7 II E-M10 II 
Display resolution1230k1040kClearer display (+190k dot)

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

 E-M10 II A7 II 
Manually focus Dial exact focus
Display typeTiltingTiltingTilting display
Display size3"3"Same display size
Selfie screen Lacking selfie screen

Olympus E-M10 II vs Sony A7 II Physical Comparison

If you are planning to travel with your camera frequently, you have to factor in its weight and volume. The Olympus E-M10 II has physical measurements of 120mm x 83mm x 47mm (4.7" x 3.3" x 1.9") and a weight of 390 grams (0.86 lbs) whilst the Sony A7 II has sizing of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") and a weight of 599 grams (1.32 lbs).

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

Remember that, the weight of an Interchangeable Lens Camera will differ depending on the lens you choose at that moment. Here is a front view dimension comparison of the E-M10 II vs the A7 II.

Olympus E-M10 II vs Sony A7 II size comparison

Taking into consideration dimensions and weight, the portability score of the E-M10 II and A7 II is 82 and 69 respectively.

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

Olympus E-M10 II vs Sony A7 II Sensor Comparison

More often than not, it is difficult to visualize the gap between sensor dimensions only by looking at technical specs. The image below may give you a greater sense of the sensor sizing in the E-M10 II and A7 II.

As you can tell, both of the cameras feature different megapixels and different sensor dimensions. The E-M10 II with its tinier sensor is going to make achieving shallower depth of field more challenging and the Sony A7 II will give you more detail with its extra 8MP. Greater resolution can also make it easier to crop images way more aggressively. The more modern E-M10 II provides a benefit when it comes to sensor tech.

Olympus E-M10 II vs Sony A7 II sensor size comparison

Olympus E-M10 II vs Sony A7 II Screen and ViewFinder

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

Portrait Comparison

Portrait photography with Olympus E-M10 II
Portrait photography with Sony A7 II
72
you can focus manually
decent sensor resolution (16 megapixels)
decent sensor size (Four Thirds)
features face detection focus
supports RAW files
83
manual focus
decent sensor resolution (24MP)
large sensor size (Full frame)
comes with face detection autofocus
saves RAW files
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Street Comparison

Street photography with Olympus E-M10 II
Street photography with Sony A7 II
83
tilting screen
has image stabilization (Sensor based 5-axis)
decent sensor size (Four Thirds)
supports RAW files
includes focus by touch
great ISO range (25,600)
81
screen tilts up and down
has image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
saves RAW files
weather sealing
very good high ISO (25,600)
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Sports Comparison

Sports photography with Olympus E-M10 II
Sports photography with Sony A7 II
67
has image stabilization (Sensor based 5-axis)
decent sensor resolution (16 megapixels)
decent sensor size (Four Thirds)
features tracking autofocus
has no phase detect auto focus
74
great max shutter speed (1/8,000s)
has image stabilization (Sensor based 5-axis)
decent sensor resolution (24 megapixels)
large sensor size (Full frame)
comes with tracking autofocus
weather sealing
has phase detect autofocus
slow fps (5.0 fps)
terrible battery (350 CIPA)
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Travel Comparison

Travel photography with Olympus E-M10 II
Travel photography with Sony A7 II
73
includes focus by touch
decent sensor resolution (16MP)
built-in flash
does not posses selfie friendly screen
62
weather sealing
decent sensor resolution (24 megapixels)
terrible battery (350 CIPA)
doesn't feature selfie friendly screen
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Landscape Comparison

Landscape photography with Olympus E-M10 II
Landscape photography with Sony A7 II
79
you can focus manually
swap lenses (Micro Four Thirds mount)
pretty good screen size (3 inches)
has image stabilization (Sensor based 5-axis)
decent sensor resolution (16 megapixels)
decent sensor size (Four Thirds)
great ISO range (25,600)
supports RAW files
80
manual focus
change lenses (Sony E mount)
pretty good screen size (3 inch)
has image stabilization (Sensor based 5-axis)
decent sensor resolution (24MP)
large sensor size (Full frame)
very good high ISO (25,600)
saves RAW files
weather sealing
terrible battery (350 shots)
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Vlogging Comparison

Vlogging with Olympus E-M10 II
Vlogging with Sony A7 II
35
touch screen
has image stabilization (Sensor based 5-axis)
features face detection focus
high res video (1920 x 1080 resolution)
does not posses selfie friendly screen
no external mic support
37
has image stabilization (Sensor based 5-axis)
comes with face detection autofocus
high res video (1920 x 1080 resolution)
has external microphone port
doesn't feature selfie friendly screen
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Olympus E-M10 II vs Sony A7 II Specifications

Detailed spec comparison table for Olympus E-M10 II and Sony A7 II
 Olympus OM-D E-M10 IISony Alpha A7 II
General Information
Manufacturer Olympus Sony
Model Olympus OM-D E-M10 II Sony Alpha A7 II
Class Entry-Level Mirrorless Pro Mirrorless
Announced 2015-08-25 2014-11-20
Body design 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 megapixel 24 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Highest resolution 4608 x 3456 6000 x 4000
Highest native ISO 25600 25600
Highest boosted ISO - 51200
Lowest native ISO 200 100
RAW photos
Lowest boosted ISO 100 50
Autofocusing
Focus manually
Touch focus
AF continuous
AF single
Tracking AF
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 81 117
Lens
Lens mount Micro Four Thirds Sony E
Number of lenses 107 121
Crop factor 2.1 1
Screen
Screen type Tilting Tilting
Screen diagonal 3 inch 3 inch
Screen resolution 1,040k dot 1,230k dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 2,360k dot 2,359k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.62x 0.71x
Features
Slowest shutter speed 60 secs 30 secs
Maximum shutter speed 1/4000 secs 1/8000 secs
Continuous shooting speed 8.0 frames per second 5.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash range 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
AE bracketing
WB bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
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, XAVC S
Microphone jack
Headphone jack
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 seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 390 grams (0.86 lbs) 599 grams (1.32 lbs)
Physical dimensions 120 x 83 x 47mm (4.7" x 3.3" x 1.9") 127 x 96 x 60mm (5.0" x 3.8" x 2.4")
DXO scores
DXO All around score 73 90
DXO Color Depth score 23.1 24.9
DXO Dynamic range score 12.5 13.6
DXO Low light score 842 2449
Other
Battery life 320 pictures 350 pictures
Type of battery Battery Pack Battery Pack
Battery model BLS-50 NP-FW50
Self timer Yes (12 sec., 2 sec, custom) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse shooting With downloadable app
Type of storage SD/SDHC/SDXC SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots 1 1
Launch pricing $499 $1,456