Panasonic ZS20 vs Sony A7R III

Here is a thorough overview of the Panasonic ZS20 vs Sony A7R III, one being a Small Sensor Superzoom and the latter is a Pro Mirrorless by manufacturers Panasonic and Sony. There exists a huge gap among the sensor resolutions of the ZS20 (14MP) and A7R III (42MP) and the ZS20 (1/2.3") and A7R III (Full frame) use totally different sensor sizes.

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The ZS20 was announced 6 years earlier than the A7R III and that is a fairly significant gap as far as camera technology is concerned. Each of the cameras come with different body type with the Panasonic ZS20 being a Compact camera and the Sony A7R III being a SLR-style mirrorless camera.

Before getting in to a more detailed comparison, below is a simple summation of how the ZS20 grades versus the A7R III for portability, imaging, features and an overall rating.

This is a preview of the gallery photos for Panasonic Lumix DMC-ZS20 and Sony Alpha A7R III. The whole galleries are viewable at Panasonic ZS20 Gallery and Sony A7R III Gallery.

If you're intending to carry your camera often, you're going to have to consider its weight and size. The Panasonic ZS20 enjoys exterior measurements of 105mm x 59mm x 28mm (4.1" x 2.3" x 1.1") accompanied by a weight of 206 grams (0.45 lbs) while the Sony A7R III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 657 grams (1.45 lbs).

Check out the Panasonic ZS20 vs Sony A7R III in the latest Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are utilizing at that moment. Underneath is the front view overall size comparison of the ZS20 compared to the A7R III.

Considering dimensions and weight, the portability rating of the ZS20 and A7R III is 92 and 63 respectively.

Quite often, it is hard to envision the contrast in sensor sizing only by seeing technical specs. The visual below may give you a far better sense of the sensor measurements in the ZS20 and A7R III.

As you have seen, both the cameras have got different resolutions and different sensor sizing. The ZS20 having a smaller sensor will make getting shallower DOF more difficult and the Sony A7R III will provide greater detail with its extra 28 Megapixels. Higher resolution will allow you to crop photographs much more aggressively. The older ZS20 will be disadvantaged in sensor tech.