Panasonic ZS3 vs Sony A7 III

On this page, we are contrasting the Panasonic ZS3 versus Sony A7 III, one is a Small Sensor Superzoom and the other is a Pro Mirrorless by rivals Panasonic and Sony. There exists a big gap between the resolutions of the ZS3 (10MP) and A7 III (24MP) and the ZS3 (1/2.3") and A7 III (Full frame) offer totally different sensor sizes.

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The ZS3 was introduced 9 years prior to the A7 III which is quite a big gap as far as technology is concerned. Each of the cameras have different body design with the Panasonic ZS3 being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before going straight to a thorough comparison, here is a simple summary of how the ZS3 matches up vs the A7 III when it comes to portability, imaging, features and an overall score.

Following is a sample of the gallery pictures for Panasonic Lumix DMC-ZS3 and Sony Alpha A7 III. The whole galleries are provided at Panasonic ZS3 Gallery and Sony A7 III Gallery.

In case you're planning to carry around your camera frequently, you will have to factor in its weight and dimensions. The Panasonic ZS3 offers outer measurements of 103mm x 60mm x 33mm (4.1" x 2.4" x 1.3") along with a weight of 229 grams (0.50 lbs) whilst the Sony A7 III has dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).

Examine the Panasonic ZS3 versus Sony A7 III in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have attached at the time. The following is a front view sizing comparison of the ZS3 compared to the A7 III.

Taking into account dimensions and weight, the portability grade of the ZS3 and A7 III is 91 and 63 respectively.

Normally, it's difficult to envision the difference between sensor sizes only by reading specifications. The image below may give you a better sense of the sensor sizing in the ZS3 and A7 III.

To sum up, the two cameras have different megapixels and different sensor sizes. The ZS3 with its tinier sensor will make getting shallower DOF more challenging and the Sony A7 III will offer greater detail using its extra 14 Megapixels. Greater resolution will also allow you to crop pics a bit more aggressively. The more aged ZS3 is going to be disadvantaged with regard to sensor technology.