Pentax WG-3 vs Sony A7 III

Lets examine more in depth at the Pentax WG-3 and Sony A7 III, one is a Waterproof and the latter is a Pro Mirrorless by rivals Pentax and Sony. There is a crucial difference among the sensor resolutions of the WG-3 (16MP) and A7 III (24MP) and the WG-3 (1/2.3") and A7 III (Full frame) feature different sensor sizes.

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The WG-3 was introduced 5 years before the A7 III which is a fairly serious gap as far as camera tech is concerned. Both of the cameras offer different body type with the Pentax WG-3 being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before diving through a in depth comparison, below is a brief introduction of how the WG-3 grades versus the A7 III when considering portability, imaging, features and an overall score.

The following is a preview of the gallery photos for Pentax WG-3 and Sony Alpha A7 III. The whole galleries are provided at Pentax WG-3 Gallery and Sony A7 III Gallery.

For those who are going to carry around your camera, you will want to take into account its weight and measurements. The Pentax WG-3 comes with outside dimensions of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") with a weight of 230 grams (0.51 lbs) whilst the Sony A7 III has proportions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 650 grams (1.43 lbs).

Take a look at the Pentax WG-3 and Sony A7 III in the latest Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you are using at the time. Here is the front view measurements comparison of the WG-3 and the A7 III.

Looking at size and weight, the portability score of the WG-3 and A7 III is 90 and 63 respectively.

Usually, its difficult to visualize the contrast in sensor sizes just by checking out specifications. The pic here may provide you a much better sense of the sensor sizes in the WG-3 and A7 III.

To sum up, each of the cameras offer different megapixels and different sensor sizes. The WG-3 having a smaller sensor is going to make getting shallow DOF more challenging and the Sony A7 III will provide more detail using its extra 8MP. Higher resolution will make it easier to crop photographs a little more aggressively. The more aged WG-3 will be behind in sensor technology.