Pentax WG-3 vs Sony A7S II

Following is a detailed analysis of the Pentax WG-3 versus Sony A7S II, one is a Waterproof and the other is a Pro Mirrorless by manufacturers Pentax and Sony. There is a huge difference among the sensor resolutions of the WG-3 (16MP) and A7S II (12MP) and the WG-3 (1/2.3") and A7S II (Full frame) provide different sensor sizes.

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The WG-3 was released 3 years prior to the A7S II which is a fairly significant gap as far as camera tech is concerned. Both of the cameras have different body design with the Pentax WG-3 being a Compact camera and the Sony A7S II being a SLR-style mirrorless camera.

Before going into a full comparison, here is a quick highlight of how the WG-3 scores against the A7S II in the way of portability, imaging, features and an overall score.

Below is a sample of the gallery pictures for Pentax WG-3 and Sony Alpha A7S II. The complete galleries are available at Pentax WG-3 Gallery and Sony A7S II Gallery.

For those who are aiming to carry around your camera frequently, you should consider its weight and measurements. The Pentax WG-3 features exterior measurements of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") having a weight of 230 grams (0.51 lbs) and the Sony A7S II has proportions of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") with a weight of 627 grams (1.38 lbs).

Check out the Pentax WG-3 versus Sony A7S II in the new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are working with at the time. Below is a front view scale comparison of the WG-3 against the A7S II.

Taking into consideration size and weight, the portability grade of the WG-3 and A7S II is 90 and 68 respectively.

In many cases, it's hard to imagine the gap in sensor sizes merely by looking through a spec sheet. The image underneath may give you a much better sense of the sensor measurements in the WG-3 and A7S II.

Clearly, each of the cameras provide different megapixel count and different sensor sizes. The WG-3 featuring a smaller sensor is going to make achieving bokeh tougher and the Pentax WG-3 will provide you with more detail as a result of its extra 4MP. Greater resolution will let you crop pics more aggressively. The more aged WG-3 will be disadvantaged with regard to sensor innovation.