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Olympus E-M10 III vs Sony A7R

Portability
80
Imaging
55
Features
75
Overall
63
Olympus OM-D E-M10 Mark III front
 
Sony Alpha A7R front
Portability
78
Imaging
74
Features
76
Overall
74

Olympus E-M10 III vs Sony A7R Key Specs

Olympus E-M10 III
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Tilting Screen
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 410g - 122 x 84 x 50mm
  • Introduced August 2017
  • Earlier Model is Olympus E-M10 II
  • Newer Model is Olympus E-M10 IV
Sony A7R
(Full Review)
  • 36MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 25600
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Sony E Mount
  • 465g - 127 x 94 x 48mm
  • Revealed February 2014
  • New Model is Sony A7R II
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Olympus E-M10 III vs Sony A7R Overview

Its time to look much closer at the Olympus E-M10 III and Sony A7R, one is a Entry-Level Mirrorless and the latter is a Pro Mirrorless by companies Olympus and Sony. There is a sizeable difference between the resolutions of the E-M10 III (16MP) and A7R (36MP) and the E-M10 III (Four Thirds) and A7R (Full frame) use different sensor measurements.

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The E-M10 III was introduced 3 years after the A7R which is quite a large gap as far as tech is concerned. Each of the cameras come with the identical body type (SLR-style mirrorless).

Before we go through a full comparison, below is a brief summation of how the E-M10 III matches up against the A7R with respect to portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-M10 III over the Sony A7R

 E-M10 III A7R 
RevealedAugust 2017February 2014Newer by 44 months
Touch friendly screen Quickly navigate

Reasons to pick Sony A7R over the Olympus E-M10 III

 A7R E-M10 III 
Screen resolution1230k1040kCrisper screen (+190k dot)

Common features in the Olympus E-M10 III and Sony A7R

 E-M10 III A7R 
Manual focus More accurate focus
Screen typeTiltingTiltingTilting screen
Screen dimension3"3"Identical screen measurements
Selfie screen Lacking selfie screen

Olympus E-M10 III vs Sony A7R Physical Comparison

For anybody who is aiming to travel with your camera often, you are going to need to take into account its weight and volume. The Olympus E-M10 III features outer measurements of 122mm x 84mm x 50mm (4.8" x 3.3" x 2.0") with a weight of 410 grams (0.90 lbs) and the Sony A7R has sizing of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") along with a weight of 465 grams (1.03 lbs).

Check out the Olympus E-M10 III and Sony A7R in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you are working with during that time. The following is the front view measurement comparison of the E-M10 III against the A7R.

Olympus E-M10 III vs Sony A7R size comparison

Considering size and weight, the portability grade of the E-M10 III and A7R is 80 and 78 respectively.

Olympus E-M10 III vs Sony A7R top view buttons comparison

Olympus E-M10 III vs Sony A7R Sensor Comparison

In many cases, it can be tough to imagine the contrast between sensor dimensions simply by looking at specs. The pic underneath should give you a better sense of the sensor measurements in the E-M10 III and A7R.

As you can plainly see, both of the cameras have got different megapixel count and different sensor dimensions. The E-M10 III having a tinier sensor is going to make getting shallow DOF harder and the Sony A7R will give you extra detail using its extra 20 Megapixels. Higher resolution can also make it easier to crop pictures much more aggressively. The more recent E-M10 III provides an advantage when it comes to sensor innovation.

Olympus E-M10 III vs Sony A7R sensor size comparison

Olympus E-M10 III vs Sony A7R Screen and ViewFinder

Olympus E-M10 III vs Sony A7R Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M10 III Portrait photography factors
Sony A7R Portrait photography factors
73
has manual focus
megapixel count decent (16 megapixels)
sensor size is decent (Four Thirds)
comes with face detect focusing
supports RAW formats
84
focusing manually
sensor resolution is high (36MP)
sensor size is great (Full frame)
has face detect focus
supports RAW formats
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Street Comparison

Olympus E-M10 III Street photography features
Sony A7R Street photography features
77
screen tilts
built in image stabilization (Sensor based 5-axis)
sensor size is decent (Four Thirds)
supports RAW formats
supports focus via touch
great high ISO (25,600)
more heavy than competition in class (410g)
80
screen tilts up and down
sensor size is great (Full frame)
supports RAW formats
weather proof
lighter than competitors (465g)
above average ISO range (25,600)
lack of image stabilization
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Sports Comparison

Olympus E-M10 III Sports photography information
Sony A7R Sports photography information
69
silent shutter (1/16,000s)
built in image stabilization (Sensor based 5-axis)
megapixel count decent (16MP)
sensor size is decent (Four Thirds)
comes with tracking focus
lacks phase detect AF
62
high shutter speed (1/8,000s)
sensor resolution is high (36 megapixels)
sensor size is great (Full frame)
weather proof
very slow continuous shooting (4.0 fps)
lack of image stabilization
low battery pack (340 per charge)
lacks phase detect auto focus
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Travel Comparison

Olympus E-M10 III Travel photography features
Sony A7R Travel photography features
67
supports focus via touch
megapixel count decent (16MP)
flash built-in
more heavy than competition in class (410 grams)
screen is not selfie friendly
70
lighter than competitors (465g)
weather proof
sensor resolution is high (36MP)
low battery pack (340 shots)
does not have a selfie friendly screen
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Landscape Comparison

Olympus E-M10 III Landscape photography highlights
Sony A7R Landscape photography highlights
80
has manual focus
change lenses (Micro Four Thirds mount)
nice screen size (3 inches)
built in image stabilization (Sensor based 5-axis)
megapixel count decent (16MP)
sensor size is decent (Four Thirds)
great high ISO (25,600)
supports RAW formats
78
focusing manually
swap lenses (Sony E mount)
nice screen size (3")
sensor resolution is high (36MP)
sensor size is great (Full frame)
doesnt have anti-alias filter
above average ISO range (25,600)
supports RAW formats
weather proof
lack of image stabilization
low battery pack (340 shots)
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Vlogging Comparison

Olympus E-M10 III Vlogging features
Sony A7R Vlogging features
32
touch screen
built in image stabilization (Sensor based 5-axis)
comes with face detect focusing
video res high (3840 x 2160 pixels)
screen is not selfie friendly
no microphone support
more heavy than competition in class (410 grams)
36
has face detect focus
high quality video (1920 x 1080 pixels)
comes with mic socket
lighter than competitors (465 grams)
does not have a selfie friendly screen
lack of image stabilization
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Olympus E-M10 III vs Sony A7R Specifications

Detailed spec comparison table for Olympus E-M10 III and Sony A7R
 Olympus OM-D E-M10 Mark IIISony Alpha A7R
General Information
Brand Name Olympus Sony
Model type Olympus OM-D E-M10 Mark III Sony Alpha A7R
Type Entry-Level Mirrorless Pro Mirrorless
Introduced 2017-08-31 2014-02-13
Physical type SLR-style mirrorless SLR-style mirrorless
Sensor Information
Processor Chip TruePic VIII Bionz X
Sensor type CMOS CMOS
Sensor size Four Thirds Full frame
Sensor dimensions 17.4 x 13mm 35.9 x 24mm
Sensor area 226.2mm² 861.6mm²
Sensor resolution 16MP 36MP
Anti alias filter
Aspect ratio 4:3 3:2 and 16:9
Highest Possible resolution 4608 x 3456 7360 x 4912
Maximum native ISO 25600 25600
Minimum native ISO 200 100
RAW images
Minimum 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 autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 121 25
Lens
Lens mount type Micro Four Thirds Sony E
Total lenses 107 121
Crop factor 2.1 1
Screen
Screen type Tilting Tilting
Screen sizing 3" 3"
Resolution of screen 1,040k dots 1,230k dots
Selfie friendly
Liveview
Touch capability
Screen technology - Xtra Fine LCD
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 2,360k dots 2,359k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.62x 0.71x
Features
Min shutter speed 60s 30s
Max shutter speed 1/4000s 1/8000s
Max silent shutter speed 1/16000s -
Continuous shutter rate 8.6 frames/s 4.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash distance 5.80 m (at ISO 100) no built-in flash
Flash options Auto, redeye, slow sync, 2nd-curtain slow sync, redeye slow sync, fill-in, manual, off no built-in flash
External flash
Auto exposure bracketing
WB bracketing
Max flash synchronize 1/250s 1/160s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
Maximum video resolution 3840x2160 1920x1080
Video format MPEG-4, H.264 MPEG-4, AVCHD
Mic 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 410 grams (0.90 lbs) 465 grams (1.03 lbs)
Dimensions 122 x 84 x 50mm (4.8" x 3.3" x 2.0") 127 x 94 x 48mm (5.0" x 3.7" x 1.9")
DXO scores
DXO Overall rating not tested 95
DXO Color Depth rating not tested 25.6
DXO Dynamic range rating not tested 14.1
DXO Low light rating not tested 2746
Other
Battery life 330 images 340 images
Battery type Battery Pack Battery Pack
Battery ID BLS-50 NP-FW50
Self timer Yes (2 or 12 secs, custom) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse feature With downloadable app
Storage type SD/SDHC/SDXC (UHS-I/II supported) SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots Single Single
Launch pricing $650 $1,898