Panasonic LZ20 vs Sony A7 III

Below is a detailed assessment of the Panasonic LZ20 and Sony A7 III, former being a Small Sensor Superzoom while the other is a Pro Mirrorless by competitors Panasonic and Sony. There is a considerable difference among the resolutions of the LZ20 (16MP) and A7 III (24MP) and the LZ20 (1/2.3") and A7 III (Full frame) use different sensor sizes.

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The LZ20 was manufactured 6 years earlier than the A7 III and that is a fairly large difference as far as camera tech is concerned. Each of the cameras come with different body type with the Panasonic LZ20 being a SLR-like (bridge) camera and the Sony A7 III being a SLR-style mirrorless camera.

Before getting through a in-depth comparison, below is a quick view of how the LZ20 grades vs the A7 III with regard to portability, imaging, features and an overall grade.

Below is a sample of the gallery pictures for Panasonic Lumix DMC-LZ20 & Sony Alpha A7 III. The entire galleries are viewable at Panasonic LZ20 Gallery & Sony A7 III Gallery.

When you are looking to lug around your camera regularly, you are going to need to factor in its weight and volume. The Panasonic LZ20 features outer dimensions of 120mm x 76mm x 80mm (4.7" x 3.0" x 3.1") along with a weight of 499 grams (1.10 lbs) while the Sony A7 III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 650 grams (1.43 lbs).

Check out the Panasonic LZ20 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 at the time. Here is the front view dimension comparison of the LZ20 vs the A7 III.

Factoring in size and weight, the portability rating of the LZ20 and A7 III is 71 and 63 respectively.

Generally, it's hard to imagine the difference in sensor measurements simply by viewing a spec sheet. The graphic underneath should offer you a far better sense of the sensor sizes in the LZ20 and A7 III.

As you can see, each of these cameras posses different megapixel count and different sensor measurements. The LZ20 featuring a smaller sensor is going to make achieving shallower DOF trickier and the Sony A7 III will render greater detail due to its extra 8 Megapixels. Greater resolution will allow you to crop photos somewhat more aggressively. The older LZ20 will be behind when it comes to sensor tech.