Sony A7R vs Sony A7R III

Lets look a little more closely at the Sony A7R vs Sony A7R III, both Pro Mirrorless digital cameras and both are designed by Sony. The resolution of the A7R (36MP) and the A7R III (42MP) is very well matched and both cameras boast the identical sensor sizes (Full frame).

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The A7R was launched 4 years prior to the A7R III and that is quite a serious gap as far as tech is concerned. Each of these cameras feature the same body design (SLR-style mirrorless).

Before we go straight to a complete comparison, here is a concise view of how the A7R grades vs the A7R III with respect to portability, imaging, features and an overall rating.

Below is a sample of the gallery pics for Sony Alpha A7R and Sony Alpha A7R III. The complete galleries are viewable at Sony A7R Gallery and Sony A7R III Gallery.

In case you're planning to carry your camera, you're going to have to take into account its weight and proportions. The Sony A7R enjoys outer dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") having a weight of 465 grams (1.03 lbs) and the Sony A7R III has measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 657 grams (1.45 lbs).

Contrast the Sony A7R vs Sony A7R III in the latest Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ depending on the lens you are working with during that time. Here is a front view measurement comparison of the A7R versus the A7R III.

Considering size and weight, the portability score of the A7R and A7R III is 78 and 63 respectively.

Generally, it is very tough to picture the gap between sensor sizing only by reading through technical specs. The photograph here should provide you a more clear sense of the sensor dimensions in the A7R and A7R III.

As you have seen, the 2 cameras come with the identical sensor size but different resolution. You should expect to see the Sony A7R III to resolve more detail utilizing its extra 6MP. Greater resolution can also enable you to crop pics a good deal more aggressively. The older A7R is going to be disadvantaged with regard to sensor innovation.