Pentax RZ10 vs Sony A7S III

Here, we will be looking at the Pentax RZ10 versus Sony A7S III, former being a Small Sensor Compact while the latter is a Pro Mirrorless by manufacturers Pentax and Sony. The sensor resolution of the RZ10 (14MP) and the A7S III (12MP) is pretty comparable but the RZ10 (1/2.3") and A7S III (Full frame) boast totally different sensor dimensions.

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The RZ10 was manufactured 10 years before the A7S III and that is a fairly big difference as far as camera technology is concerned. Both of these cameras feature different body design with the Pentax RZ10 being a Compact camera and the Sony A7S III being a SLR-style mirrorless camera.

Before diving right into a thorough comparison, here is a concise overview of how the RZ10 scores vs the A7S III in the way of portability, imaging, features and an overall rating.

The following is a preview of the gallery images for Pentax Optio RZ10 & Sony Alpha A7S III. The entire galleries are viewable at Pentax RZ10 Gallery & Sony A7S III Gallery.

If you're looking to carry your camera, you'll have to factor in its weight and size. The Pentax RZ10 comes with exterior dimensions of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") along with a weight of 178 grams (0.39 lbs) while the Sony A7S III has specifications of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") accompanied by a weight of 699 grams (1.54 lbs).

Analyze the Pentax RZ10 versus Sony A7S III in our completely new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will change based on the lens you use at the time. Following is a front view physical size comparison of the RZ10 against the A7S III.

Taking into consideration dimensions and weight, the portability rating of the RZ10 and A7S III is 92 and 61 respectively.

Normally, it is tough to visualise the gap in sensor sizing merely by checking out specifications. The visual underneath may provide you a better sense of the sensor dimensions in the RZ10 and A7S III.

Plainly, both cameras feature different resolutions and different sensor sizing. The RZ10 featuring a smaller sensor will make shooting shallower depth of field more challenging and the Pentax RZ10 will provide more detail due to its extra 2 Megapixels. Higher resolution can also allow you to crop shots way more aggressively. The older RZ10 will be behind with regard to sensor innovation.