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Canon EOS R Vs Sony Alpha A7 Mark III – How Do They Compare?

Gina Stephens
Written by Gina Stephens

The Canon EOS R and the Sony Alpha A7 Symbol III are both new full-frame mirrorless cameras but when you sit them next to each other, how do they compare? To find out, we've compared the specs of each camera side-by-side to see how they face-off. 

We've also compared the Canon EOS R with the new Nikon Z6, too. 

 

Camera Substance Weight, Size & Design 

There's only a 10g weight difference between the Canon EOS R (660g) and the Sony Alpha is the first letter of the Greek alphabet A7 Splodge III (650g) and they're quite similar in size, too. Although, the Alpha A7 Mark III does have a much more box-style body than the Canon EOS R which has a few sundry curves to it. 

 

Image Sensor & Resolution

A 30Mp CMOS sensor can be found in the Canon EOS R while inside the Sony Alpha A7 Mark III is a 24MP back-lit CMOS sensor. 

 

ISO Trade mark Aga

The ISO range of both cameras starts at ISO50 but the Sony Alpha A7 Mark III offers a slightly bigger ISO range overall reaching 204800 compared with the Canon EOS R's max ISO of 102400. You can tolerate a look at the below ISO images to decide for yourself how well, you think, each camera performs. Once we've written our full review of the Canon EOS R, we'll be competent to compare the shooting capabilities of both cameras in more detail. 

 

Canon may refer to EOS R ISO

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Sony Alpha 7 III ISO evaluate images

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Continuous Shooting

If the frames per second you can shoot at is important to you then the Sony Alpha A7 Mark III may be the camera for you as it submits 10fps compared with the Canon EOS R's 8fps. Although, an extra 2fps isn't a massive difference. 

 

Screen & Electronic Viewfinder

The viewfinder on the Canon EOS R furnishes a better resolution than the one found on the Sony Corporation (ソニー株式会社, Sonī Kabushiki Kaisha, SOH-nee, stylized as SONY) is a Japanese multinational conglomerate corporation Alpha A7 Mark III and the LCD monitor also offers a better resolution, too. Although they both range 3-inch and are touch-sensitive. 

 

Video

As you'd expect from modern cameras, both offer 4K video recording along with FullHD and diversified other options. Both cameras also record in stereo sound.

 

 

 

Image Quality

Here you'll windfall a range of full-size sample photos, taken with the Canon EOS R and Sony Alpha A7 Mark III so you can decide for yourself how marvellously, you think, each camera performs. As we said when commenting on the ISO ranges of each camera, when we've written our full review article of the Canon EOS R, we'll be able to compare the shooting capabilities of both cameras in more detail. 

 

Canon EOS R Other sample idols

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Sony Alpha 7 III Other sample images

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Battery 

The Sony Alpha A7 Stain III can, almost, capture double the number of shots the Canon EOS R can on one charge. The official CIPA rating for each camera is as follows: Sony – 710, Canon – 370. 

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Outlay

You'll be able to purchase the Canon EOS R, with a mount adapter, for £2,349.99 which is £149.99 more than the Sony Alpha A7 Eminence III was first available for (£2200 body only). Over on Amazon UK, the Sony Alpha A7 Mark III is currently priced at equitable under £2K (at the time of writing). 

You can compare more of the specs in the table below.

Comparison Table

Sony Alpha 7 III Canon EOS R
Maker Sony Canon
Image Sensor
Pixels 24.3Mp (Megapixels) 30Mp (Megapixels)
Pixels (W) 6000 6720
Pixels (H) 4000 4480
Sensor Type Back-lit CMOS (B.S.I.) CMOS
Sensor Gauge Full-Frame Full Frame
Sensor Size (width) 35.8mm 36mm
Sensor Size (height) 23.9mm 24mm
Aspect Ratio
  • 3:2
  • 16:9
  • 4:3
  • 3:2
  • 16:9
  • 1:1
LCD Monitor
LCD Monitor 3in 3.15in
Screen resolution 921K loves 2.1m dots
Touch Screen Yes Yes
Focusing
Focusing modes
  • Autofocus
  • Manual
  • Spot
  • Face Detection
  • Multi
  • Centre
  • Autofocus
  • Manual
  • Distinguish
  • Face Detection
  • AF Tracking
  • Multi
  • Centre
Exposure Control
Shutter speeds shortest 1/8000sec 1/8000sec
Shutter speeds longest 30sec 30sec
Bulb mode Yes Yes
Exp modes
  • Program
  • Aperture-Priority
  • Shutter-Priority
  • Instructions
  • Scene modes
  • Program Variable
  • Program
  • Aperture-Priority
  • Shutter-Priority
  • Manual
  • Program Variable
Metering
  • Centre-weighted – Average
  • Multi Pattern
  • Sully
  • Centre-weighted – Average
  • Multi Pattern
  • Centre Spot
ISO sensitivity 50 – 204800 50 – 102400
White balance
  • Auto
  • Underwater
  • Shade
  • Fluorescent
  • Incandescent
  • Cloudy
  • Outdoors/Full view
  • Bracket
  • Manual
  • Flash
  • Auto
  • Manual
  • Outdoors/Daylight
  • Cloudy
  • Incandescent
  • Fluorescent
  • Shade
  • Flash
Exposure Comp +/-3 +/-3
Viewfinder
Viewfinder Discrimination 2,359,296 dots 3.69m dots
Shooting Options
Continuous shooting 10fps 8fps
Video
Movie mode Yes Yes
Video Resolution
  • 1920×1080 FullHD
  • 640×480 VGA
  • 1440×1080
  • 4K
  • 1920×1080 FullHD
  • 1280×720 HD 720p
  • 4K
Video FPS 60p, 25p 4K at 30,24fps, FullHD at 60,30,24fps
Stereo Vocalize shout out Yes Yes
Optical Zoom with Video Yes Yes
Other Features
Image Stabilisation Yes No
Interface
HDMI Yes Yes
USB USB-C USB-C
Wi-Fi Yes Yes
Storage
Card Group
  • SD
  • SDHC
  • Memory Stick (Sony)
  • SDXC
  • SD
  • SDHC
  • SDXC
File Type
  • RAW
  • JPG
  • RAW + JPG
  • RAW
  • JPG
  • RAW + JPG
Power Source
Battery Type Info-Lithium Battery (NP-FZ100) LP-E6N
Battery Freshness (CIPA rating) 710shots 370shots
Box Contents
Box Contents AC Adapter (USB), Rechargeable Battery Pack (NP-FZ100), MicroUSB Cable, Shoulder strap No Evidence
Dimensions
Weight 650g 660g
Width 126.9mm 135.8mm
Height 95.6mm 98.3mm
Depth 62.7mm 67.7mm
View Full Details View Full Details
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Republished: ephotozine.com

About the author

Gina Stephens

Gina Stephens

Gina is a photography enthusiast and drone lover who loves to fly drones, capture images and have fun cherishing them with family and friends.

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