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Olympus E-520 vs Sony A7R III

Portability
68
Imaging
44
Features
45
Overall
44
Olympus E-520 front
 
Sony Alpha A7R III front
Portability
63
Imaging
78
Features
93
Overall
84

Olympus E-520 vs Sony A7R III Key Specs

Olympus E-520
(Full Review)
  • 10MP - Four Thirds Sensor
  • 2.7" Fixed Display
  • ISO 100 - 1600
  • Sensor based Image Stabilization
  • No Video
  • Micro Four Thirds Mount
  • 552g - 136 x 92 x 68mm
  • Announced August 2008
  • Replaced the Olympus E-510
Sony A7R III
(Full Review)
  • 42MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Raise to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 657g - 127 x 96 x 74mm
  • Announced October 2017
  • Replaced the Sony A7R II
  • Successor is Sony A7R IV
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Olympus E-520 vs Sony A7R III Overview

Following is a extensive assessment of the Olympus E-520 and Sony A7R III, one is a Entry-Level DSLR and the other is a Pro Mirrorless by companies Olympus and Sony. There is a significant difference between the resolutions of the E-520 (10MP) and A7R III (42MP) and the E-520 (Four Thirds) and A7R III (Full frame) provide different sensor sizes.

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The E-520 was revealed 10 years earlier than the A7R III which is quite a sizable gap as far as tech is concerned. The two cameras feature different body design with the Olympus E-520 being a Compact SLR camera and the Sony A7R III being a SLR-style mirrorless camera.

Before delving into a in depth comparison, here is a short highlight of how the E-520 scores versus the A7R III with regards to portability, imaging, features and an overall score.

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Reasons to pick Olympus E-520 over the Sony A7R III

 E-520 A7R III 

Reasons to pick Sony A7R III over the Olympus E-520

 A7R III E-520 
AnnouncedOctober 2017August 2008More modern by 111 months
Display typeTiltingFixed Tilting display
Display size3"2.7"Larger display (+0.3")
Display resolution1440k230kSharper display (+1210k dot)
Touch display Easily navigate

Common features in the Olympus E-520 and Sony A7R III

 E-520 A7R III 
Manually focus Very exact focus
Selfie screen Absent selfie screen

Olympus E-520 vs Sony A7R III Physical Comparison

In case you're planning to carry around your camera regularly, you have to factor in its weight and volume. The Olympus E-520 offers exterior measurements of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") with a weight of 552 grams (1.22 lbs) while the Sony A7R III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 657 grams (1.45 lbs).

Check the Olympus E-520 and Sony A7R III in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you are using at that time. The following is a front view physical size comparison of the E-520 and the A7R III.

Olympus E-520 vs Sony A7R III size comparison

Using size and weight, the portability grade of the E-520 and A7R III is 68 and 63 respectively.

Olympus E-520 vs Sony A7R III top view buttons comparison

Olympus E-520 vs Sony A7R III Sensor Comparison

Usually, its tough to picture the difference between sensor sizes merely by reading through specifications. The pic underneath will help offer you a stronger sense of the sensor sizing in the E-520 and A7R III.

Plainly, both of those cameras come with different resolutions and different sensor sizes. The E-520 using its tinier sensor is going to make shooting shallower DOF harder and the Sony A7R III will give you greater detail because of its extra 32 Megapixels. Greater resolution will allow you to crop photos a good deal more aggressively. The more aged E-520 is going to be behind with regard to sensor technology.

Olympus E-520 vs Sony A7R III sensor size comparison

Olympus E-520 vs Sony A7R III Screen and ViewFinder

Olympus E-520 vs Sony A7R III Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Olympus E-520 Portrait photography details
Sony A7R III Portrait photography details
58
manual focus
sensor size is nice (Four Thirds)
features face detection focusing
exports RAW files
sensor resolution low (10 megapixels)
86
has manual focus
fantastic resolution (42 megapixels)
sensor size is large (Full frame)
supports face detect autofocus
supports RAW formats
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Street Comparison

Olympus E-520 Street photography details
Sony A7R III Street photography details
65
has image stabilization (Sensor based)
sensor size is nice (Four Thirds)
exports RAW files
no articulating screen
79
screen tilts
image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
supports RAW formats
supports focus via touch
environment sealing
great high ISO (32,000)
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Sports Comparison

Olympus E-520 Sports photography info
Sony A7R III Sports photography info
55
has image stabilization (Sensor based)
sensor size is nice (Four Thirds)
better than average battery power (650 shots)
has phase detect AF
max fps very slow (4.0 frames/s)
sensor resolution low (10 megapixels)
89
great max shutter speed (1/8,000s)
image stabilization (Sensor based 5-axis)
fantastic resolution (42 megapixels)
sensor size is large (Full frame)
supports tracking focus
environment sealing
good battery pack (650 CIPA)
supports phase detect autofocus
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Travel Comparison

Travel photography with Olympus E-520
Travel photography with Sony A7R III
52
better than average battery power (650 CIPA)
flash built-in
no Timelapse recording
sensor resolution low (10 megapixels)
doesn't offer selfie friendly screen
74
good battery pack (650 shots)
environment sealing
supports bluetooth
supports focus via touch
fantastic resolution (42MP)
does not posses selfie friendly display
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Landscape Comparison

Landscape photography with Olympus E-520
Landscape photography with Sony A7R III
57
manual focus
swap lenses (Micro Four Thirds mount)
has image stabilization (Sensor based)
sensor size is nice (Four Thirds)
exports RAW files
better than average battery power (650 shots)
small screen (2.7")
sensor resolution low (10MP)
no Timelapse recording
87
has manual focus
interchangeable lenses (Sony E mount)
screen size is good (3 inches)
image stabilization (Sensor based 5-axis)
fantastic resolution (42MP)
sensor size is large (Full frame)
does not have anti aliasing filter
great high ISO (32,000)
supports RAW formats
environment sealing
good battery pack (650 CIPA)
2 card slots
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Vlogging Comparison

Olympus E-520 Vlogging highlights
Sony A7R III Vlogging highlights
9
no video recording
37
touchscreen capability
image stabilization (Sensor based 5-axis)
supports face detect autofocus
high video quality (3840 x 2160 pxls)
comes with mic support
does not posses selfie friendly display
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Olympus E-520 vs Sony A7R III Specifications

Detailed spec comparison table for Olympus E-520 and Sony A7R III
 Olympus E-520Sony Alpha A7R III
General Information
Company Olympus Sony
Model type Olympus E-520 Sony Alpha A7R III
Category Entry-Level DSLR Pro Mirrorless
Announced 2008-08-20 2017-10-25
Physical type Compact SLR SLR-style mirrorless
Sensor Information
Processor - Bionz X
Sensor type CMOS BSI-CMOS
Sensor size Four Thirds Full frame
Sensor dimensions 17.3 x 13mm 35.9 x 24mm
Sensor surface area 224.9mm² 861.6mm²
Sensor resolution 10 megapixel 42 megapixel
Anti alias filter
Aspect ratio 4:3 3:2 and 16:9
Highest Possible resolution 3648 x 2736 7952 x 5304
Maximum native ISO 1600 32000
Maximum enhanced ISO - 102400
Min native ISO 100 100
RAW format
Min enhanced ISO - 50
Autofocusing
Focus manually
AF touch
Continuous AF
Single AF
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 3 425
Lens
Lens support Micro Four Thirds Sony E
Available lenses 45 121
Focal length multiplier 2.1 1
Screen
Display type Fixed Type Tilting
Display sizing 2.7 inches 3 inches
Display resolution 230 thousand dots 1,440 thousand dots
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type Optical (pentamirror) Electronic
Viewfinder resolution - 3,686 thousand dots
Viewfinder coverage 95% 100%
Viewfinder magnification 0.46x 0.78x
Features
Min shutter speed 60 seconds 30 seconds
Max shutter speed 1/4000 seconds 1/8000 seconds
Continuous shutter rate 4.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash distance 12.00 m (at ISO 100) no built-in flash
Flash settings Auto, Auto FP, Manual, Red-Eye Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync
Hot shoe
AEB
White balance bracketing
Max flash synchronize 1/180 seconds -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions - 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
Maximum video resolution None 3840x2160
Video file format - MPEG-4, AVCHD, XAVC S
Mic support
Headphone support
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.1 Gen 1(5 GBit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 552 grams (1.22 lb) 657 grams (1.45 lb)
Physical dimensions 136 x 92 x 68mm (5.4" x 3.6" x 2.7") 127 x 96 x 74mm (5.0" x 3.8" x 2.9")
DXO scores
DXO Overall rating 55 100
DXO Color Depth rating 21.4 26.0
DXO Dynamic range rating 10.4 14.7
DXO Low light rating 548 3523
Other
Battery life 650 photos 650 photos
Type of battery Battery Pack Battery Pack
Battery ID - NP-FZ100
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse shooting
Type of storage Compact Flash (Type I or II), xD Picture Card Two SD/SDHC/SDXC slots (UHS-II support on one)
Card slots Single 2
Cost at release $400 $2,800