Sony A7R III vs Sony A850

Below is a comprehensive assessment of the Sony A7R III vs Sony A850, former being a Pro Mirrorless while the other is a Advanced DSLR and both are sold by Sony. There is a noticeable difference among the sensor resolutions of the A7R III (42MP) and A850 (25MP) but they possess the same exact sensor dimensions (Full frame).

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The A7R III was announced 7 years later than the A850 and that is a fairly sizable difference as far as camera tech is concerned. Each of the cameras offer different body type with the Sony A7R III being a SLR-style mirrorless camera and the Sony A850 being a Mid-size SLR camera.

Before getting in to a in-depth comparison, below is a quick summation of how the A7R III matches up against the A850 for portability, imaging, features and an overall grade.

The following is a sample of the gallery pictures for Sony Alpha A7R III & Sony Alpha DSLR-A850. The whole galleries are viewable at Sony A7R III Gallery & Sony A850 Gallery.

When you are aiming to lug around your camera frequently, you're going to have to consider its weight and size. The Sony A7R III comes with outer measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") having a weight of 657 grams (1.45 lbs) and the Sony A850 has specifications of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") having a weight of 895 grams (1.97 lbs).

Look at the Sony A7R III vs Sony A850 in our newest Camera plus Lens Size Comparison Tool.

Always remember, the weight of an ILC will vary dependant on the lens you are utilizing at that moment. Here is the front view physical size comparison of the A7R III and the A850.

Using size and weight, the portability score of the A7R III and A850 is 63 and 54 respectively.

In many cases, its difficult to imagine the contrast in sensor measurements just by viewing a spec sheet. The photograph underneath might give you a stronger sense of the sensor measurements in the A7R III and A850.

As you can see, each of these cameras enjoy the same exact sensor sizing but different resolution. You can anticipate the Sony A7R III to result in more detail with its extra 17 Megapixels. Greater resolution will enable you to crop images far more aggressively. The younger A7R III provides a benefit when it comes to sensor tech.