Pentax WG-3 GPS vs Sony A7R II

On this page, we will be analyzing the Pentax WG-3 GPS vs Sony A7R II, former being a Waterproof while the latter is a Pro Mirrorless by manufacturers Pentax and Sony. There exists a considerable gap among the image resolutions of the WG-3 GPS (16MP) and A7R II (42MP) and the WG-3 GPS (1/2.3") and A7R II (Full frame) boast different sensor dimensions.

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The WG-3 GPS was introduced 23 months prior to the A7R II which makes them a generation apart from one another. Both of the cameras have different body design with the Pentax WG-3 GPS being a Compact camera and the Sony A7R II being a SLR-style mirrorless camera.

Before we go straight to a full comparison, here is a brief overview of how the WG-3 GPS scores versus the A7R II in relation to portability, imaging, features and an overall grade.

Following is a preview of the gallery photos for Pentax WG-3 GPS & Sony Alpha A7R II. The whole galleries are available at Pentax WG-3 GPS Gallery & Sony A7R II Gallery.

For anybody who is planning to lug around your camera frequently, you'll have to think about its weight and dimensions. The Pentax WG-3 GPS comes with exterior measurements of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") having a weight of 238 grams (0.52 lbs) whilst the Sony A7R II has dimensions of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") and a weight of 625 grams (1.38 lbs).

Analyze the Pentax WG-3 GPS vs Sony A7R II in our brand new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary depending on the lens you have chosen during that time. Underneath is a front view measurements comparison of the WG-3 GPS against the A7R II.

Taking into consideration dimensions and weight, the portability score of the WG-3 GPS and A7R II is 90 and 68 respectively.

Sometimes, it's difficult to picture the contrast in sensor measurements merely by seeing technical specs. The visual here might provide you a greater sense of the sensor sizing in the WG-3 GPS and A7R II.

As you have seen, the 2 cameras provide different megapixels and different sensor measurements. The WG-3 GPS having a smaller sensor is going to make achieving shallow DOF tougher and the Sony A7R II will provide extra detail using its extra 26 Megapixels. Higher resolution can also help you crop pictures more aggressively. The older WG-3 GPS will be disadvantaged with regard to sensor innovation.