Olympus 1 vs Sony A7R III

The following is a extensive overview of the Olympus 1 and Sony A7R III, one is a Small Sensor Superzoom and the other is a Pro Mirrorless by brands Olympus and Sony. There exists a significant gap among the resolutions of the 1 (12MP) and A7R III (42MP) and the 1 (1/1.7") and A7R III (Full frame) feature different sensor measurements.

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The 1 was released 4 years prior to the A7R III which is a fairly sizable gap as far as camera technology is concerned. Both of the cameras come with different body type with the Olympus 1 being a SLR-like (bridge) camera and the Sony A7R III being a SLR-style mirrorless camera.

Before diving straight into a comprehensive comparison, below is a brief overview of how the 1 grades vs the A7R III when it comes to portability, imaging, features and an overall mark.

This is a sample of the gallery pics for Olympus Stylus 1 and Sony Alpha A7R III. The complete galleries are provided at Olympus 1 Gallery and Sony A7R III Gallery.

For those who are intending to travel with your camera frequently, you'll have to factor in its weight and volume. The Olympus 1 features external measurements of 116mm x 87mm x 57mm (4.6" x 3.4" x 2.2") having a weight of 402 grams (0.89 lbs) while the Sony A7R III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 657 grams (1.45 lbs).

Take a look at the Olympus 1 and Sony A7R III in the all new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you select at the time. The following is the front view proportions comparison of the 1 against the A7R III.

Looking at dimensions and weight, the portability grade of the 1 and A7R III is 79 and 63 respectively.

Normally, it is tough to picture the contrast in sensor dimensions purely by researching specifications. The picture here might give you a greater sense of the sensor measurements in the 1 and A7R III.

To sum up, the two cameras have got different megapixels and different sensor dimensions. The 1 due to its smaller sensor is going to make shooting shallower depth of field trickier and the Sony A7R III will provide you with extra detail as a result of its extra 30MP. Greater resolution can also let you crop images much more aggressively. The more aged 1 will be disadvantaged when it comes to sensor tech.