Panasonic ZS15 vs Sony A7 III

Let's look more closely at the Panasonic ZS15 and Sony A7 III, former being a Small Sensor Superzoom while the other is a Pro Mirrorless by rivals Panasonic and Sony. There is a sizable difference between the image resolutions of the ZS15 (12MP) and A7 III (24MP) and the ZS15 (1/2.3") and A7 III (Full frame) posses different sensor sizes.

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The ZS15 was launched 6 years earlier than the A7 III and that is quite a significant difference as far as tech is concerned. Both of the cameras have different body design with the Panasonic ZS15 being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before going right into a detailed comparison, here is a short highlight of how the ZS15 scores against the A7 III in the way of portability, imaging, features and an overall rating.

Below is a sample of the gallery pics for Panasonic Lumix DMC-ZS15 & Sony Alpha A7 III. The complete galleries are available at Panasonic ZS15 Gallery & Sony A7 III Gallery.

For anyone who is going to carry your camera regularly, you're going to have to take into account its weight and volume. The Panasonic ZS15 offers outside measurements of 105mm x 58mm x 33mm (4.1" x 2.3" x 1.3") and a weight of 208 grams (0.46 lbs) while the Sony A7 III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).

Compare the Panasonic ZS15 and Sony A7 III in our newest Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ based on the lens you have attached at the time. Following is a front view proportions comparison of the ZS15 against the A7 III.

Looking at size and weight, the portability grade of the ZS15 and A7 III is 92 and 63 respectively.

Generally, it's difficult to picture the gap between sensor sizing only by looking at a spec sheet. The graphic underneath may offer you a better sense of the sensor measurements in the ZS15 and A7 III.

As you can see, the two cameras provide different megapixel count and different sensor sizing. The ZS15 because of its tinier sensor is going to make getting shallow DOF more difficult and the Sony A7 III will give you greater detail utilizing its extra 12MP. Greater resolution will let you crop photos more aggressively. The older ZS15 is going to be behind when it comes to sensor innovation.