Pentax WG-3 GPS vs Sony A7 II

Let's look more closely at the Pentax WG-3 GPS vs Sony A7 II, one is a Waterproof and the other is a Pro Mirrorless by competitors Pentax and Sony. There is a huge difference between the sensor resolutions of the WG-3 GPS (16MP) and A7 II (24MP) and the WG-3 GPS (1/2.3") and A7 II (Full frame) provide totally different sensor size.

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The WG-3 GPS was announced 16 months before the A7 II making them a generation away from each other. Each of these cameras have different body design with the Pentax WG-3 GPS being a Compact camera and the Sony A7 II being a SLR-style mirrorless camera.

Before delving straight to a step-by-step comparison, here is a simple highlight of how the WG-3 GPS grades vs the A7 II with regards to portability, imaging, features and an overall score.

Following is a sample of the gallery pics for Pentax WG-3 GPS and Sony Alpha A7 II. The whole galleries are viewable at Pentax WG-3 GPS Gallery and Sony A7 II Gallery.

In case you're going to carry around your camera regularly, you are going to need to consider its weight and size. The Pentax WG-3 GPS features outside measurements of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") accompanied by a weight of 238 grams (0.52 lbs) and the Sony A7 II has specifications of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") along with a weight of 599 grams (1.32 lbs).

Compare the Pentax WG-3 GPS vs Sony A7 II in the new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change dependant on the lens you have chosen at that time. Underneath is a front view size comparison of the WG-3 GPS vs the A7 II.

Factoring in size and weight, the portability rating of the WG-3 GPS and A7 II is 90 and 69 respectively.

In many cases, it is hard to visualise the contrast between sensor sizes only by reading technical specs. The image underneath should provide you a greater sense of the sensor sizing in the WG-3 GPS and A7 II.

As you have seen, both cameras have different resolutions and different sensor sizes. The WG-3 GPS using its tinier sensor will make achieving shallower DOF trickier and the Sony A7 II will deliver extra detail with its extra 8MP. Greater resolution can also allow you to crop photos a bit more aggressively. The more aged WG-3 GPS is going to be behind with regard to sensor technology.