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Canon 6D vs Sony A7

The battle is on in the mid-range full-frame cameras. This time Sony comes out with the new Sony A7 to go head to head with the Canon 6D. While both cameras may have similarities in their features, let’s focus on key differences in their specifications. This way it’s easier to highlight areas which may help us choose which camera would fit us best.

Key Differences:


Canon-EOS-6D-front a7_1

Canon 6D

Sony A7

Type: SLR Mirror-less SLR Type
Effective Pixels
Maximum Resolution
Image Processor
20 MP
5472 x 3648


24 MP
6000 x 4000
Bionz X
ISO Range
White Balance Presets
Standard:   100-25600
Expanded:   50-102800




Optics and Focus:
Number of Focus Points
Lens Mount
Canon EF Mount


Sony E Mount
Screen or Viewfinder:
Articulated LCD
Screen Dots
View Finder Type
View Finder Coverage
Photography Features:
Shutter Speed
Flash X Sync Speed
Continuous Drive
30 sec – 1/4000 sec
1/180 sec
4.5 fps


30 sec – 1/8000 sec
1/250 sec
5 fps
770 g (1.70 lb/27.16 oz)
145 x 111 x 71 mm
474 g (1.04 lb/16.72 oz)
127 x 94 x 48mm


Time Lapse Recording
External Battery Charger
Yes (cable & PC)
Not Included (internal charging over USB)


SLR or Mirror-less

In an SLR camera, there is an optical mirror between the lens and the shutter curtain. This mirror is used to reflect the image coming from the lens to your viewfinder to help you compose and/or focus on your subject. When the shutter button is triggered, the mirror moves up and the shutter curtain opens. The light then passes from the lens directly hitting the image sensor. In a mirror-less design, the optical mirror has been removed and the following advantages can be gained:

  1. The camera can be made smaller and lighter as is the case of the Sony A7. It can still be made smaller like a compact camera, but in the A7’s case, it was designed as an SLR.
  2. Because there is no optical mirror, it should be quieter. Also you should be able to shoot at a slower shutter speed since the jarring effect of the mirror moving up when you release the trigger has been eliminated.

On the downside, because there is no mirror to reflect the image then you cannot view it optically. That is why it has an electronic viewfinder. You can have a 100% viewfinder coverage with this, a plus when shooting landscapes. But because you view things electronically, the actual movement of the subject as compared with optical viewfinder may be a bit compromised — a critical feature when you are shooting fast moving subjects or doing sports photography.

Image Resolution

If you like blowing up images, the resolution will be an important feature since it can pack more information, color and detail.

Camera Lens

The Sony A7 is severely handicapped in this area. To take full advantage of its full-frame sensor you need the EF lenses. As of the moment 5 types are being announced to be launched soon. And they are on the expensive side.


If the nature of your photography requirement is travel or landscape then the Sony A7 would be ideal because it’s handy and weighs significantly less. It’s like having a cheaper version of the Leica with you. But if you plan to do all-around photography work — like covering sports or events — or plan on going professional, then the Canon 6D is advisable. You have a better upgrade path due to the availability of lenses and other accessories.

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