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Olympus E-M5 II vs Sony A7c

Portability
80
Imaging
53
Features
84
Overall
65
Olympus OM-D E-M5 II front
 
Sony Alpha A7c front
Portability
78
Imaging
76
Features
88
Overall
80

Olympus E-M5 II vs Sony A7c Key Specs

Olympus E-M5 II
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 469g - 124 x 85 x 45mm
  • Announced February 2015
  • Earlier Model is Olympus E-M5
  • Refreshed by Olympus E-M5 III
Sony A7c
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 51200 (Expand to 204800)
  • Sensor based 5-axis Image Stabilization
  • 3840 x 2160 video
  • Sony E Mount
  • 509g - 124 x 71 x 60mm
  • Introduced September 2020
Photography Glossary

Olympus E-M5 II vs Sony A7c Overview

Below, we are evaluating the Olympus E-M5 II and Sony A7c, both Advanced Mirrorless cameras by companies Olympus and Sony. There exists a big gap among the sensor resolutions of the E-M5 II (16MP) and A7c (24MP) and the E-M5 II (Four Thirds) and A7c (Full frame) feature totally different sensor sizes.

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The E-M5 II was brought out 6 years before the A7c and that is a fairly big gap as far as camera technology is concerned. The two cameras come with different body type with the Olympus E-M5 II being a SLR-style mirrorless camera and the Sony A7c being a Rangefinder-style mirrorless camera.

Before diving through a comprehensive comparison, below is a simple summation of how the E-M5 II matches up vs the A7c in terms of portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-M5 II over the Sony A7c

 E-M5 II A7c 
Display resolution1037k922kCrisper display (+115k dot)

Reasons to pick Sony A7c over the Olympus E-M5 II

 A7c E-M5 II 
IntroducedSeptember 2020February 2015Fresher by 68 months

Common features in the Olympus E-M5 II and Sony A7c

 E-M5 II A7c 
Manual focus Dial exact focusing
Display typeFully ArticulatedFully articulatedFully Articulated display
Display dimension3"3"Identical display dimensions
Selfie screen Both are selfie friendly
Touch display Easily navigate

Olympus E-M5 II vs Sony A7c Physical Comparison

When you are intending to carry your camera, you have to take into account its weight and proportions. The Olympus E-M5 II provides outside measurements of 124mm x 85mm x 45mm (4.9" x 3.3" x 1.8") having a weight of 469 grams (1.03 lbs) whilst the Sony A7c has measurements of 124mm x 71mm x 60mm (4.9" x 2.8" x 2.4") and a weight of 509 grams (1.12 lbs).

Check out the Olympus E-M5 II and Sony A7c 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 change dependant on the lens you are working with during that time. The following is the front view over all size comparison of the E-M5 II vs the A7c.

Olympus E-M5 II vs Sony A7c size comparison

Using dimensions and weight, the portability rating of the E-M5 II and A7c is 80 and 78 respectively.

Olympus E-M5 II vs Sony A7c top view buttons comparison

Olympus E-M5 II vs Sony A7c Sensor Comparison

Normally, it's hard to envision the difference in sensor sizing purely by researching specifications. The graphic here may give you a much better sense of the sensor sizing in the E-M5 II and A7c.

To sum up, the two cameras posses different megapixel count and different sensor sizing. The E-M5 II due to its smaller sensor will make achieving bokeh more difficult and the Sony A7c will provide you with extra detail having its extra 8 Megapixels. Greater resolution will allow you to crop images somewhat more aggressively. The older E-M5 II will be behind with regard to sensor tech.

Olympus E-M5 II vs Sony A7c sensor size comparison

Olympus E-M5 II vs Sony A7c Screen and ViewFinder

Olympus E-M5 II vs Sony A7c Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M5 II Portrait photography factors
Sony A7c Portrait photography factors
71
focusing manually
megapixel count decent (16MP)
good sensor size (Four Thirds)
supports face detection autofocus
supports RAW files
78
focusing manually
good megapixels (24MP)
sensor size is big (Full frame)
includes face detection focus
saves RAW formats
can't use external flash
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Street Comparison

Olympus E-M5 II Street photography details
Sony A7c Street photography details
82
screen can move to multiple angles
has image stabilization (Sensor based 5-axis)
good sensor size (Four Thirds)
supports RAW files
offers focus by touch
environment sealing
above average high ISO (25,600)
85
built in image stabilization (Sensor based 5-axis)
sensor size is big (Full frame)
saves RAW formats
comes with touch to focus
weather sealing
above average high ISO (51,200)
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Sports Comparison

Olympus E-M5 II Sports photography details
Sony A7c Sports photography details
65
great max shutter speed (1/8,000s)
silent shooting (1/16,000s)
has image stabilization (Sensor based 5-axis)
megapixel count decent (16MP)
good sensor size (Four Thirds)
supports tracking autofocus
environment sealing
terrible battery pack (310 CIPA)
doesn't have phase detect autofocus
88
quiet shutter (1/8,000 seconds)
built in image stabilization (Sensor based 5-axis)
good megapixels (24MP)
sensor size is big (Full frame)
includes tracking autofocus
weather sealing
better than average battery (740 CIPA)
comes with phase detect auto focus
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Travel Comparison

Olympus E-M5 II Travel photography features
Sony A7c Travel photography features
74
environment sealing
offers focus by touch
megapixel count decent (16MP)
selfie friendly screen
terrible battery pack (310 CIPA)
86
better than average battery (740 shots)
weather sealing
has bluetooth
comes with touch to focus
good megapixels (24 megapixels)
selfie friendly screen
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Landscape Comparison

Landscape photography with Olympus E-M5 II
Landscape photography with Sony A7c
74
focusing manually
change lenses (Micro Four Thirds mount)
nice screen size (3 inches)
has image stabilization (Sensor based 5-axis)
megapixel count decent (16MP)
good sensor size (Four Thirds)
above average high ISO (25,600)
supports RAW files
environment sealing
terrible battery pack (310 shots)
88
focusing manually
switch lenses (Sony E mount)
good sized screen (3 inch)
built in image stabilization (Sensor based 5-axis)
good megapixels (24MP)
sensor size is big (Full frame)
above average high ISO (51,200)
saves RAW formats
weather sealing
better than average battery (740 CIPA)
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Vlogging Comparison

Olympus E-M5 II Vlogging features
Sony A7c Vlogging features
82
selfie friendly screen
touch screen
has image stabilization (Sensor based 5-axis)
supports face detection autofocus
video res high (1920 x 1080 pixels)
includes external mic socket
86
selfie friendly screen
touch screen
built in image stabilization (Sensor based 5-axis)
includes face detection focus
video res high (3840 x 2160 resolution)
does have external microphone socket
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Olympus E-M5 II vs Sony A7c Specifications

Detailed spec comparison table for Olympus E-M5 II and Sony A7c
 Olympus OM-D E-M5 IISony Alpha A7c
General Information
Brand Olympus Sony
Model type Olympus OM-D E-M5 II Sony Alpha A7c
Type Advanced Mirrorless Advanced Mirrorless
Announced 2015-02-06 2020-09-14
Physical type SLR-style mirrorless Rangefinder-style mirrorless
Sensor Information
Chip TruePic VII -
Sensor type MOS BSI-CMOS
Sensor size Four Thirds Full frame
Sensor measurements 17.3 x 13mm 35.8 x 23.8mm
Sensor area 224.9mm² 852.0mm²
Sensor resolution 16MP 24MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Full resolution 4608 x 3456 6000 x 4000
Max native ISO 25600 51200
Max boosted ISO - 204800
Lowest native ISO 200 100
RAW images
Lowest boosted ISO 100 50
Autofocusing
Manual focusing
Touch focus
Continuous AF
AF single
Tracking AF
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 81 693
Lens
Lens mount type Micro Four Thirds Sony E
Amount of lenses 107 122
Crop factor 2.1 1
Screen
Type of display Fully Articulated Fully articulated
Display diagonal 3" 3"
Display resolution 1,037k dots 922k dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 2,360k dots 2,360k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.74x 0.59x
Features
Slowest shutter speed 60s 30s
Maximum shutter speed 1/8000s 1/4000s
Maximum quiet shutter speed 1/16000s 1/8000s
Continuous shooting rate 10.0 frames per second 10.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash no built-in flash
Flash settings Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual no built-in flash
External flash
AE bracketing
White balance bracketing
Maximum flash synchronize 1/250s -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (60p, 50p, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p), 640 x 480 (30p) 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
Max video resolution 1920x1080 3840x2160
Video format MPEG-4, H.264, Motion JPEG MPEG-4, XAVC S, H.264
Microphone port
Headphone port
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 sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 469 grams (1.03 pounds) 509 grams (1.12 pounds)
Dimensions 124 x 85 x 45mm (4.9" x 3.3" x 1.8") 124 x 71 x 60mm (4.9" x 2.8" x 2.4")
DXO scores
DXO All around rating 73 not tested
DXO Color Depth rating 23.0 not tested
DXO Dynamic range rating 12.4 not tested
DXO Low light rating 896 not tested
Other
Battery life 310 photos 740 photos
Form of battery Battery Pack Battery Pack
Battery ID BLN-1 NP-FZ100
Self timer Yes (2 or 10 secs, custom) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse recording
Storage type SD/SDHC/SDXC SD/SDHC/SDXC card (UHS-II supported)
Card slots 1 1
Retail pricing $699 $1,800