Olympus 1 vs Sony A7 III

Below is a in-depth review of the Olympus 1 vs Sony A7 III, one being a Small Sensor Superzoom and the latter is a Pro Mirrorless by brands Olympus and Sony. There exists a huge gap among the sensor resolutions of the 1 (12MP) and A7 III (24MP) and the 1 (1/1.7") and A7 III (Full frame) offer totally different sensor sizing.

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The 1 was revealed 5 years before the A7 III and that is a fairly significant gap as far as camera technology is concerned. Both of these cameras have different body design with the Olympus 1 being a SLR-like (bridge) camera and the Sony A7 III being a SLR-style mirrorless camera.

Before we go straight to a step-by-step comparison, here is a simple highlight of how the 1 grades versus the A7 III in regards to portability, imaging, features and an overall grade.

Below is a preview of the gallery photos for Olympus Stylus 1 and Sony Alpha A7 III. The full galleries are viewable at Olympus 1 Gallery and Sony A7 III Gallery.

If you're going to lug around your camera often, you will want to consider its weight and measurements. The Olympus 1 has got exterior dimensions of 116mm x 87mm x 57mm (4.6" x 3.4" x 2.2") with a weight of 402 grams (0.89 lbs) while the Sony A7 III has proportions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).

Contrast the Olympus 1 vs Sony A7 III in the latest Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change dependant on the lens you are working with during that time. Below is a front view proportions comparison of the 1 versus the A7 III.

Taking into account dimensions and weight, the portability score of the 1 and A7 III is 79 and 63 respectively.

Normally, it can be difficult to visualise the difference in sensor measurements simply by seeing specifications. The graphic here will help offer you a far better sense of the sensor sizes in the 1 and A7 III.

To sum up, both of those cameras have different megapixel count and different sensor measurements. The 1 using its smaller sensor will make shooting shallower depth of field more difficult and the Sony A7 III will provide extra detail because of its extra 12 Megapixels. Higher resolution will also allow you to crop photographs a bit more aggressively. The older 1 will be disadvantaged when it comes to sensor technology.