Canon 5D MIII vs Sony A7R

Here, we are evaluating the Canon 5D MIII and Sony A7R, former is a Advanced DSLR while the other is a Pro Mirrorless by brands Canon and Sony. There is a substantial difference between the resolutions of the 5D MIII (22MP) and A7R (36MP) but both cameras posses the identical sensor size (Full frame).

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The 5D MIII was manufactured 21 months prior to the A7R making them a generation away from each other. Both of the cameras feature different body design with the Canon 5D MIII being a Mid-size SLR camera and the Sony A7R being a SLR-style mirrorless camera.

Before getting right into a detailed comparison, here is a brief synopsis of how the 5D MIII grades vs the A7R with regard to portability, imaging, features and an overall score.

Here is a sample of the gallery pics for Canon EOS 5D Mark III & Sony Alpha A7R. The entire galleries are available at Canon 5D MIII Gallery & Sony A7R Gallery.

In case you're looking to carry around your camera frequently, you should think about its weight and measurements. The Canon 5D MIII has got physical dimensions of 152mm x 116mm x 76mm (6.0" x 4.6" x 3.0") having a weight of 950 grams (2.09 lbs) and the Sony A7R has proportions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") having a weight of 465 grams (1.03 lbs).

Check out the Canon 5D MIII and Sony A7R in our brand new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ dependant on the lens you have attached at the time. The following is a front view sizing comparison of the 5D MIII versus the A7R.

Factoring in size and weight, the portability score of the 5D MIII and A7R is 55 and 78 respectively.

Usually, it is tough to imagine the contrast between sensor sizes purely by reading through technical specs. The picture below should provide you a far better sense of the sensor dimensions in the 5D MIII and A7R.

As you have seen, both of the cameras come with the identical sensor size but different megapixels. You can expect to see the Sony A7R to give you greater detail due to its extra 14 Megapixels. Greater resolution will allow you to crop photos a good deal more aggressively. The more aged 5D MIII is going to be disadvantaged with regard to sensor technology.