Canon 70D vs Sony A7 III

The following is a comprehensive assessment of the Canon 70D vs Sony A7 III, former is a Advanced DSLR while the latter is a Pro Mirrorless by competitors Canon and Sony. The image resolution of the 70D (20MP) and the A7 III (24MP) is relatively comparable but the 70D (APS-C) and A7 III (Full frame) provide different sensor measurements.

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The 70D was revealed 5 years before the A7 III which is a fairly serious difference as far as camera tech is concerned. Each of these cameras have different body design with the Canon 70D being a Mid-size SLR camera and the Sony A7 III being a SLR-style mirrorless camera.

Before diving straight to a more detailed comparison, here is a quick introduction of how the 70D scores versus the A7 III with respect to portability, imaging, features and an overall mark.

This is a preview of the gallery photos for Canon EOS 70D & Sony Alpha A7 III. The full galleries are viewable at Canon 70D Gallery & Sony A7 III Gallery.

If you are intending to travel with your camera often, you'll have to factor in its weight and size. The Canon 70D has outer dimensions of 139mm x 104mm x 79mm (5.5" x 4.1" x 3.1") with a weight of 755 grams (1.66 lbs) and the Sony A7 III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 650 grams (1.43 lbs).

Look at the Canon 70D vs Sony A7 III in our brand new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change dependant on the lens you are utilising at that time. The following is a front view proportions comparison of the 70D vs the A7 III.

Factoring in size and weight, the portability score of the 70D and A7 III is 59 and 63 respectively.

In many cases, it is very hard to visualize the gap in sensor dimensions only by checking out a spec sheet. The pic underneath will give you a greater sense of the sensor dimensions in the 70D and A7 III.

As you can see, both the cameras provide different resolutions and different sensor dimensions. The 70D with its smaller sensor is going to make shooting shallower DOF trickier and the Sony A7 III will show extra detail because of its extra 4 Megapixels. Higher resolution will also let you crop pictures more aggressively. The more aged 70D will be disadvantaged with regard to sensor tech.