Olympus SZ-31MR iHS vs Sony A7 III

Lets look a bit more in depth at the Olympus SZ-31MR iHS versus Sony A7 III, former being a Small Sensor Superzoom while the latter is a Pro Mirrorless by brands Olympus and Sony. There exists a considerable gap among the sensor resolutions of the SZ-31MR iHS (16MP) and A7 III (24MP) and the SZ-31MR iHS (1/2.3") and A7 III (Full frame) have different sensor sizes.

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The SZ-31MR iHS was announced 7 years earlier than the A7 III and that is a fairly large difference as far as camera technology is concerned. Both of the cameras have different body design with the Olympus SZ-31MR iHS being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before getting into a comprehensive comparison, here is a brief synopsis of how the SZ-31MR iHS scores versus the A7 III with regard to portability, imaging, features and an overall grade.

This is a preview of the gallery images for Olympus SZ-31MR iHS & Sony Alpha A7 III. The whole galleries are available at Olympus SZ-31MR iHS Gallery & Sony A7 III Gallery.

When you are looking to lug around your camera often, you should consider its weight and volume. The Olympus SZ-31MR iHS has got outer dimensions of 106mm x 69mm x 40mm (4.2" x 2.7" x 1.6") and a weight of 226 grams (0.50 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).

See the Olympus SZ-31MR iHS versus Sony A7 III in our completely new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ dependant on the lens you choose at that moment. Below is a front view sizing comparison of the SZ-31MR iHS vs the A7 III.

Looking at dimensions and weight, the portability rating of the SZ-31MR iHS and A7 III is 89 and 63 respectively.

Sometimes, it is very tough to imagine the difference in sensor measurements just by seeing specs. The photograph here will help provide you a better sense of the sensor sizes in the SZ-31MR iHS and A7 III.

As you can plainly see, both the cameras provide different megapixels and different sensor measurements. The SZ-31MR iHS having a smaller sensor is going to make achieving shallower DOF tougher and the Sony A7 III will produce greater detail with its extra 8 Megapixels. Higher resolution can also let you crop shots more aggressively. The older SZ-31MR iHS will be behind in sensor innovation.