Pentax RZ10 vs Sony A7R III

Below is a comprehensive review of the Pentax RZ10 and Sony A7R III, former being a Small Sensor Compact while the other is a Pro Mirrorless by competitors Pentax and Sony. There is a noticeable difference among the sensor resolutions of the RZ10 (14MP) and A7R III (42MP) and the RZ10 (1/2.3") and A7R III (Full frame) use different sensor size.

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The RZ10 was manufactured 7 years earlier than the A7R III and that is a fairly sizable difference as far as camera tech is concerned. Both cameras offer different body type with the Pentax RZ10 being a Compact camera and the Sony A7R III being a SLR-style mirrorless camera.

Before we go straight into a in-depth comparison, below is a short introduction of how the RZ10 grades against the A7R III with regard to portability, imaging, features and an overall grade.

The following is a sample of the gallery pics for Pentax Optio RZ10 & Sony Alpha A7R III. The entire galleries are provided at Pentax RZ10 Gallery & Sony A7R III Gallery.

In case you're planning to lug around your camera frequently, you need to factor its weight and size. The Pentax RZ10 has got outer measurements of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") accompanied by a weight of 178 grams (0.39 lbs) whilst the Sony A7R III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") having a weight of 657 grams (1.45 lbs).

Check the Pentax RZ10 and Sony A7R III in our brand new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will vary dependant on the lens you are utilizing at that moment. Below is the front view overall size comparison of the RZ10 and the A7R III.

Taking into account size and weight, the portability score of the RZ10 and A7R III is 92 and 63 respectively.

Generally, its tough to visualize the contrast in sensor measurements merely by researching specs. The photograph here might offer you a far better sense of the sensor sizing in the RZ10 and A7R III.

All in all, the two cameras offer different megapixels and different sensor measurements. The RZ10 featuring a smaller sensor is going to make achieving bokeh trickier and the Sony A7R III will render greater detail due to its extra 28 Megapixels. Greater resolution will also allow you to crop photos a little more aggressively. The older RZ10 will be disadvantaged with regard to sensor tech.