Olympus SZ-12 vs Sony A7R III

Following is a comprehensive overview of the Olympus SZ-12 versus Sony A7R III, one is a Small Sensor Superzoom and the latter is a Pro Mirrorless by manufacturers Olympus and Sony. There exists a sizeable gap between the image resolutions of the SZ-12 (14MP) and A7R III (42MP) and the SZ-12 (1/2.3") and A7R III (Full frame) use different sensor measurements.

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The SZ-12 was launched 6 years prior to the A7R III which is quite a large gap as far as technology is concerned. Both cameras offer different body type with the Olympus SZ-12 being a Compact camera and the Sony A7R III being a SLR-style mirrorless camera.

Before we go in to a in depth comparison, below is a short synopsis of how the SZ-12 grades against the A7R III with regards to portability, imaging, features and an overall score.

Below is a preview of the gallery photos for Olympus SZ-12 and Sony Alpha A7R III. The complete galleries are provided at Olympus SZ-12 Gallery and Sony A7R III Gallery.

If you're planning to carry around your camera often, you'll have to consider its weight and proportions. The Olympus SZ-12 offers external measurements of 106mm x 69mm x 40mm (4.2" x 2.7" x 1.6") with a weight of 226 grams (0.50 lbs) and the Sony A7R III has measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 657 grams (1.45 lbs).

Compare the Olympus SZ-12 versus Sony A7R III in the new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you use at that time. Below is the front view proportions comparison of the SZ-12 compared to the A7R III.

Using dimensions and weight, the portability grade of the SZ-12 and A7R III is 89 and 63 respectively.

Typically, its tough to imagine the contrast between sensor sizes purely by reviewing a spec sheet. The pic below may give you a far better sense of the sensor measurements in the SZ-12 and A7R III.

As you can see, the 2 cameras enjoy different resolutions and different sensor sizes. The SZ-12 due to its tinier sensor is going to make achieving bokeh tougher and the Sony A7R III will deliver more detail utilizing its extra 28MP. Higher resolution will let you crop shots far more aggressively. The more aged SZ-12 is going to be behind in sensor tech.