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Olympus E-M10 II vs Sony A7S III

Portability
82
Imaging
54
Features
77
Overall
63
Olympus OM-D E-M10 II front
 
Sony Alpha A7S III front
Portability
61
Imaging
65
Features
92
Overall
75

Olympus E-M10 II vs Sony A7S III Key Specs

Olympus E-M10 II
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Tilting Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 390g - 120 x 83 x 47mm
  • Revealed August 2015
  • Older Model is Olympus E-M10
  • Replacement is Olympus E-M10 III
Sony A7S III
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 80 - 102400 (Boost to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 699g - 129 x 97 x 81mm
  • Announced July 2020
  • Earlier Model is Sony A7S II
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Olympus E-M10 II vs Sony A7S III Overview

Lets look a little more in depth at the Olympus E-M10 II versus Sony A7S III, former being a Entry-Level Mirrorless while the other is a Pro Mirrorless by rivals Olympus and Sony. There exists a substantial gap among the sensor resolutions of the E-M10 II (16MP) and A7S III (12MP) and the E-M10 II (Four Thirds) and A7S III (Full frame) enjoy totally different sensor sizes.

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The E-M10 II was launched 5 years before the A7S III and that is a fairly big difference as far as camera technology is concerned. Both of these cameras offer the identical body type (SLR-style mirrorless).

Before getting straight into a full comparison, below is a simple overview of how the E-M10 II matches up against the A7S III with regard to portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-M10 II over the Sony A7S III

 E-M10 II A7S III 

Reasons to pick Sony A7S III over the Olympus E-M10 II

 A7S III E-M10 II 
AnnouncedJuly 2020August 2015More recent by 59 months
Display typeFully articulatedTiltingFully Articulating display
Display resolution1440k1040kClearer display (+400k dot)
Selfie screen Easy selfies

Common features in the Olympus E-M10 II and Sony A7S III

 E-M10 II A7S III 
Manually focus Dial exact focusing
Display sizing3"3"Equivalent display dimensions
Touch friendly display Easily navigate

Olympus E-M10 II vs Sony A7S III Physical Comparison

If you are looking to lug around your camera often, you are going to need to think about its weight and measurements. The Olympus E-M10 II provides external dimensions of 120mm x 83mm x 47mm (4.7" x 3.3" x 1.9") accompanied by a weight of 390 grams (0.86 lbs) and the Sony A7S III has proportions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") accompanied by a weight of 699 grams (1.54 lbs).

Compare the Olympus E-M10 II versus Sony A7S III in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will change dependant on the lens you are utilizing at the time. Below is the front view measurement comparison of the E-M10 II vs the A7S III.

Olympus E-M10 II vs Sony A7S III size comparison

Considering dimensions and weight, the portability score of the E-M10 II and A7S III is 82 and 61 respectively.

Olympus E-M10 II vs Sony A7S III top view buttons comparison

Olympus E-M10 II vs Sony A7S III Sensor Comparison

Typically, its tough to see the difference in sensor measurements merely by checking out specs. The photograph here might offer you a greater sense of the sensor dimensions in the E-M10 II and A7S III.

As you can plainly see, each of the cameras enjoy different megapixel count and different sensor measurements. The E-M10 II due to its smaller sensor will make getting bokeh trickier and the Olympus E-M10 II will show extra detail utilizing its extra 4 Megapixels. Greater resolution will also let you crop photos far more aggressively. The older E-M10 II will be disadvantaged with regard to sensor technology.

Olympus E-M10 II vs Sony A7S III sensor size comparison

Olympus E-M10 II vs Sony A7S III Screen and ViewFinder

Olympus E-M10 II vs Sony A7S III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M10 II Portrait photography factors
Sony A7S III Portrait photography factors
72
you can focus manually
decent MP (16 megapixels)
nice sensor size (Four Thirds)
offers face detection autofocus
saves RAW files
71
has manual focus
sensor size is big (Full frame)
provides face detection autofocus
supports RAW formats
low megapixels (12MP)
Photography Glossary

Street Comparison

Street photography with Olympus E-M10 II
Street photography with Sony A7S III
83
screen tilts
built in image stabilization (Sensor based 5-axis)
nice sensor size (Four Thirds)
saves RAW files
supports focus via touch
great high ISO (25,600)
76
image stabilization (Sensor based 5-axis)
sensor size is big (Full frame)
supports RAW formats
provides touch focus
weather proof
good ISO range (102,400)
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Sports Comparison

Olympus E-M10 II Sports photography factors
Sony A7S III Sports photography factors
67
built in image stabilization (Sensor based 5-axis)
decent MP (16 megapixels)
nice sensor size (Four Thirds)
offers tracking autofocus
lack of phase detect autofocus
76
maximum shutter speed is high (1/8,000 seconds)
image stabilization (Sensor based 5-axis)
sensor size is big (Full frame)
provides tracking autofocus
weather proof
better than average battery pack (600 per charge)
comes with phase detect autofocus
low megapixels (12 megapixels)
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Travel Comparison

Olympus E-M10 II as a Travel photography camera
Sony A7S III as a Travel photography camera
73
supports focus via touch
decent MP (16MP)
has built in flash
doesn't posses selfie friendly screen
70
better than average battery pack (600 shots)
weather proof
has bluetooth
provides touch focus
screen is selfie friendly
low megapixels (12 megapixels)
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Landscape Comparison

Olympus E-M10 II Landscape photography information
Sony A7S III Landscape photography information
79
you can focus manually
swap lenses (Micro Four Thirds mount)
screen is a decent size (3")
built in image stabilization (Sensor based 5-axis)
decent MP (16MP)
nice sensor size (Four Thirds)
great high ISO (25,600)
saves RAW files
77
has manual focus
switch lenses (Sony E mount)
good sized screen (3")
image stabilization (Sensor based 5-axis)
sensor size is big (Full frame)
good ISO range (102,400)
supports RAW formats
weather proof
better than average battery pack (600 CIPA)
has dual storage slots
low megapixels (12MP)
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Vlogging Comparison

Olympus E-M10 II Vlogging details
Sony A7S III Vlogging details
35
built-in touchscreen
built in image stabilization (Sensor based 5-axis)
offers face detection autofocus
video res high (1920 x 1080 pxls)
doesn't posses selfie friendly screen
doesn't have external mic support
77
screen is selfie friendly
touchscreen
image stabilization (Sensor based 5-axis)
provides face detection autofocus
video res high (3840 x 2160 pxls)
does have external mic jack
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Olympus E-M10 II vs Sony A7S III Specifications

Detailed spec comparison table for Olympus E-M10 II and Sony A7S III
 Olympus OM-D E-M10 IISony Alpha A7S III
General Information
Brand Name Olympus Sony
Model type Olympus OM-D E-M10 II Sony Alpha A7S III
Type Entry-Level Mirrorless Pro Mirrorless
Revealed 2015-08-25 2020-07-21
Body design SLR-style mirrorless SLR-style mirrorless
Sensor Information
Powered by TruePic VII Bionz XR
Sensor type CMOS BSI-CMOS
Sensor size Four Thirds Full frame
Sensor dimensions 17.3 x 13mm 35.6 x 23.8mm
Sensor surface area 224.9mm² 847.3mm²
Sensor resolution 16MP 12MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Highest Possible resolution 4608 x 3456 4240 x 2832
Maximum native ISO 25600 102400
Maximum enhanced ISO - 409600
Lowest native ISO 200 80
RAW format
Lowest enhanced ISO 100 50
Autofocusing
Manual focusing
AF touch
AF continuous
AF single
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 81 759
Lens
Lens support Micro Four Thirds Sony E
Number of lenses 107 121
Crop factor 2.1 1
Screen
Display type Tilting Fully articulated
Display diagonal 3" 3"
Resolution of display 1,040k dot 1,440k dot
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 2,360k dot 9,440k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.62x 0.91x
Features
Min shutter speed 60 seconds 30 seconds
Max shutter speed 1/4000 seconds 1/8000 seconds
Continuous shutter speed 8.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash distance 5.80 m (ISO 100) no built-in flash
Flash modes 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
Hot shoe
Auto exposure bracketing
WB bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (60p/30p/24p), 1280 x 720 (60p/30p/24p), 640 x 480 (30 fps) 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
Maximum video resolution 1920x1080 3840x2160
Video format H.264, Motion JPEG MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265
Mic input
Headphone input
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.2 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 390 grams (0.86 pounds) 699 grams (1.54 pounds)
Dimensions 120 x 83 x 47mm (4.7" x 3.3" x 1.9") 129 x 97 x 81mm (5.1" x 3.8" x 3.2")
DXO scores
DXO Overall rating 73 85
DXO Color Depth rating 23.1 23.6
DXO Dynamic range rating 12.5 13.3
DXO Low light rating 842 2993
Other
Battery life 320 shots 600 shots
Battery format Battery Pack Battery Pack
Battery ID BLS-50 NP-FZ100
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 media SD/SDHC/SDXC Dual SD/CFexpress Type A slots
Storage slots One 2
Price at release $499 $3,499