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Olympus E-M10 vs Sony A7 III

Portability
82
Imaging
53
Features
73
Overall
61
Olympus OM-D E-M10 front
 
Sony Alpha A7 III front
Portability
63
Imaging
74
Features
92
Overall
81

Olympus E-M10 vs Sony A7 III Key Specs

Olympus E-M10
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Tilting Display
  • ISO 200 - 25600
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 396g - 119 x 82 x 46mm
  • Launched March 2014
  • Successor is Olympus E-M10 II
Sony A7 III
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 51200 (Push to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 650g - 127 x 96 x 74mm
  • Introduced February 2018
  • Succeeded the Sony A7 II
  • Later Model is Sony A7 IV
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Olympus E-M10 vs Sony A7 III Overview

Following is a complete review of the Olympus E-M10 versus Sony A7 III, one is a Entry-Level Mirrorless and the other is a Pro Mirrorless by companies Olympus and Sony. There exists a crucial gap between the image resolutions of the E-M10 (16MP) and A7 III (24MP) and the E-M10 (Four Thirds) and A7 III (Full frame) enjoy different sensor measurements.

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The E-M10 was released 5 years earlier than the A7 III which is quite a serious gap as far as technology is concerned. Both of these cameras come with the identical body type (SLR-style mirrorless).

Before going straight into a detailed comparison, below is a quick highlight of how the E-M10 matches up vs the A7 III for portability, imaging, features and an overall score.

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

 E-M10 A7 III 
Display resolution1037k922kCrisper display (+115k dot)

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

 A7 III E-M10 
IntroducedFebruary 2018March 2014More modern by 48 months

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

 E-M10 A7 III 
Manually focus Very accurate focusing
Display typeTiltingTiltingTilting display
Display dimension3"3"Identical display measurements
Selfie screen Neither features selfie screen
Touch display Easily navigate

Olympus E-M10 vs Sony A7 III Physical Comparison

In case you're intending to carry around your camera regularly, you'll have to think about its weight and size. The Olympus E-M10 enjoys physical dimensions of 119mm x 82mm x 46mm (4.7" x 3.2" x 1.8") with a weight of 396 grams (0.87 lbs) while the Sony A7 III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 650 grams (1.43 lbs).

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

Bear in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you are working with at that moment. Here is the front view measurements comparison of the E-M10 against the A7 III.

Olympus E-M10 vs Sony A7 III size comparison

Factoring in dimensions and weight, the portability rating of the E-M10 and A7 III is 82 and 63 respectively.

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

Olympus E-M10 vs Sony A7 III Sensor Comparison

More often than not, it is tough to picture the contrast between sensor sizes simply by reviewing specifications. The image below should give you a more clear sense of the sensor dimensions in the E-M10 and A7 III.

To sum up, both of these cameras have got different resolutions and different sensor sizes. The E-M10 due to its tinier sensor is going to make achieving shallower depth of field tougher and the Sony A7 III will deliver greater detail as a result of its extra 8 Megapixels. Greater resolution will help you crop pics much more aggressively. The more aged E-M10 is going to be behind when it comes to sensor technology.

Olympus E-M10 vs Sony A7 III sensor size comparison

Olympus E-M10 vs Sony A7 III Screen and ViewFinder

Olympus E-M10 vs Sony A7 III Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Olympus E-M10 Portrait photography factors
Sony A7 III Portrait photography factors
71
has manual focus
decent MP (16MP)
decent sensor size (Four Thirds)
provides face detect focus
saves RAW files
84
has manual focus
resolution is good (24MP)
sensor size is large (Full frame)
comes with face detect focus
supports RAW files
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Street Comparison

Olympus E-M10 Street photography highlights
Sony A7 III Street photography highlights
77
screen tilts
built in image stabilization (Sensor based)
decent sensor size (Four Thirds)
saves RAW files
includes focus via touch
very good high ISO (25,600)
more heavy than average in class (396 grams)
78
screen tilts
has image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
supports RAW files
boasts focus via touch
weather proof
very good high ISO (51,200)
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Sports Comparison

Olympus E-M10 Sports photography info
Sony A7 III Sports photography info
66
built in image stabilization (Sensor based)
decent MP (16MP)
decent sensor size (Four Thirds)
provides tracking focus
lack of phase detect auto focus
87
great max shutter speed (1/8,000s)
has image stabilization (Sensor based 5-axis)
resolution is good (24MP)
sensor size is large (Full frame)
comes with tracking focus
weather proof
better than average battery pack (610 per charge)
sensor has phase detect auto focus
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Travel Comparison

Olympus E-M10 as a Travel photography camera
Sony A7 III as a Travel photography camera
67
includes focus via touch
decent MP (16 megapixels)
flash built-in
more heavy than average in class (396 grams)
doesn't feature selfie friendly screen
73
better than average battery pack (610 shots)
weather proof
supports bluetooth
boasts focus via touch
resolution is good (24 megapixels)
does not contain selfie friendly display
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Landscape Comparison

Olympus E-M10 Landscape photography advice
Sony A7 III Landscape photography advice
79
has manual focus
change lenses (Micro Four Thirds mount)
screen size is decent (3")
built in image stabilization (Sensor based)
decent MP (16 megapixels)
decent sensor size (Four Thirds)
very good high ISO (25,600)
saves RAW files
85
has manual focus
interchangeable lenses (Sony E mount)
good sized screen (3 inch)
has image stabilization (Sensor based 5-axis)
resolution is good (24 megapixels)
sensor size is large (Full frame)
very good high ISO (51,200)
supports RAW files
weather proof
better than average battery pack (610 CIPA)
has double storage slots
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Vlogging Comparison

Vlogging with Olympus E-M10
Vlogging with Sony A7 III
33
has touchscreen
built in image stabilization (Sensor based)
provides face detect focus
great video quality (1920 x 1080 pxls)
doesn't feature selfie friendly screen
doesn't have microphone port
more heavy than average in class (396g)
36
touchscreen capability
has image stabilization (Sensor based 5-axis)
comes with face detect focus
high res video (3840 x 2160 pxls)
includes microphone port
does not contain selfie friendly display
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Olympus E-M10 vs Sony A7 III Specifications

Detailed spec comparison table for Olympus E-M10 and Sony A7 III
 Olympus OM-D E-M10Sony Alpha A7 III
General Information
Make Olympus Sony
Model Olympus OM-D E-M10 Sony Alpha A7 III
Category Entry-Level Mirrorless Pro Mirrorless
Launched 2014-03-18 2018-02-27
Body design SLR-style mirrorless SLR-style mirrorless
Sensor Information
Processor Chip TruePic VII Bionz X
Sensor type CMOS BSI-CMOS
Sensor size Four Thirds Full frame
Sensor measurements 17.3 x 13mm 35.8 x 23.8mm
Sensor surface area 224.9mm² 852.0mm²
Sensor resolution 16 megapixels 24 megapixels
Anti aliasing 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 51200
Highest enhanced ISO - 204800
Min native ISO 200 100
RAW support
Min enhanced ISO - 50
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 81 693
Lens
Lens mounting type Micro Four Thirds Sony E
Total lenses 107 121
Crop factor 2.1 1
Screen
Display type Tilting Tilting
Display size 3 inches 3 inches
Display resolution 1,037 thousand dot 922 thousand dot
Selfie friendly
Liveview
Touch capability
Display tech TFT LCD -
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 1,440 thousand dot 2,359 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.58x 0.78x
Features
Min shutter speed 60 secs 30 secs
Max shutter speed 1/4000 secs 1/8000 secs
Continuous shutter speed 8.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash range 5.80 m (ISO100) no built-in flash
Flash options Flash Auto, Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual(1/1(FULL)~1/64) no built-in flash
Hot shoe
AEB
WB bracketing
Max flash sync 1/250 secs -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1920 x 1080 (30p), 1280 x 720 (30p), 640 x 480 (30 fps) 3840 x 2160 (30p, 24p) 1920 x 1080 (120p, 60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
Highest video resolution 1920x1080 3840x2160
Video data format H.264, Motion JPEG MPEG-4, AVCHD, XAVC S, H.264
Microphone jack
Headphone jack
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.1 Gen 1 (5 GBit/sec)
GPS Optional None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 396g (0.87 lb) 650g (1.43 lb)
Dimensions 119 x 82 x 46mm (4.7" x 3.2" x 1.8") 127 x 96 x 74mm (5.0" x 3.8" x 2.9")
DXO scores
DXO Overall score 72 96
DXO Color Depth score 22.8 25.0
DXO Dynamic range score 12.3 14.7
DXO Low light score 884 3730
Other
Battery life 320 photographs 610 photographs
Type of battery Battery Pack Battery Pack
Battery model BLS-5 NP-FZ100
Self timer Yes (12 sec., 2 sec.,custom (Waiting time 1-30sec.,Shooting interval 0.5/1/2/3sec.,Number of shots 1-10)) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse recording
Type of storage SD/SDHC/SDXC SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots Single Two
Pricing at release $600 $1,998