Panasonic ZS15 vs Sony A7R III

Lets examine more closely at the Panasonic ZS15 vs Sony A7R III, one being a Small Sensor Superzoom and the latter is a Pro Mirrorless by brands Panasonic and Sony. There is a sizeable difference between the sensor resolutions of the ZS15 (12MP) and A7R III (42MP) and the ZS15 (1/2.3") and A7R III (Full frame) feature totally different sensor dimensions.

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The ZS15 was revealed 6 years earlier than the A7R III and that is quite a large gap as far as tech is concerned. Both cameras offer different body type with the Panasonic ZS15 being a Compact camera and the Sony A7R III being a SLR-style mirrorless camera.

Before delving straight into a more detailed comparison, below is a brief overview of how the ZS15 matches up versus the A7R III in regards to portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Panasonic Lumix DMC-ZS15 and Sony Alpha A7R III. The full galleries are available at Panasonic ZS15 Gallery and Sony A7R III Gallery.

For anybody who is looking to lug around your camera, you'll have to think about its weight and dimensions. The Panasonic ZS15 has got outer dimensions of 105mm x 58mm x 33mm (4.1" x 2.3" x 1.3") along with a weight of 208 grams (0.46 lbs) whilst the Sony A7R III has dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 657 grams (1.45 lbs).

Check the Panasonic ZS15 vs Sony A7R III in the all new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ depending on the lens you are using at that time. Underneath is the front view measurements comparison of the ZS15 against the A7R III.

Factoring in size and weight, the portability score of the ZS15 and A7R III is 92 and 63 respectively.

In many cases, it's hard to envision the contrast between sensor measurements merely by looking at technical specs. The photograph below will offer you a stronger sense of the sensor sizes in the ZS15 and A7R III.

As you can tell, both the cameras enjoy different resolutions and different sensor measurements. The ZS15 using its tinier sensor will make achieving shallow DOF tougher and the Sony A7R III will give extra detail because of its extra 30 Megapixels. Higher resolution will allow you to crop photographs far more aggressively. The older ZS15 is going to be behind with regard to sensor innovation.