Pentax WG-2 vs Sony A9

Here is a in-depth review of the Pentax WG-2 vs Sony A9, former being a Waterproof while the other is a Pro Mirrorless by companies Pentax and Sony. There exists a large gap among the sensor resolutions of the WG-2 (16MP) and A9 (24MP) and the WG-2 (1/2.3") and A9 (Full frame) feature totally different sensor measurements.

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The WG-2 was brought out 6 years prior to the A9 and that is a fairly serious difference as far as camera technology is concerned. The two cameras offer different body type with the Pentax WG-2 being a Compact camera and the Sony A9 being a SLR-style mirrorless camera.

Before we go in to a more detailed comparison, below is a quick view of how the WG-2 scores against the A9 in terms of portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Pentax Optio WG-2 & Sony Alpha A9. The entire galleries are viewable at Pentax WG-2 Gallery & Sony A9 Gallery.

In case you're planning to carry your camera regularly, you're going to have to factor in its weight and proportions. The Pentax WG-2 provides exterior measurements of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") and a weight of 192 grams (0.42 lbs) whilst the Sony A9 has measurements of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") with a weight of 673 grams (1.48 lbs).

Examine the Pentax WG-2 vs Sony A9 in our newest Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will change depending on the lens you have chosen during that time. Below is the front view physical size comparison of the WG-2 versus the A9.

Considering dimensions and weight, the portability grade of the WG-2 and A9 is 91 and 65 respectively.

Quite often, its hard to see the gap in sensor sizing simply by seeing technical specs. The graphic below may provide you a much better sense of the sensor sizing in the WG-2 and A9.

As you have seen, the two cameras enjoy different resolutions and different sensor sizing. The WG-2 due to its smaller sensor will make getting shallow depth of field tougher and the Sony A9 will show greater detail having its extra 8 Megapixels. Greater resolution will also make it easier to crop photos far more aggressively. The older WG-2 will be disadvantaged with regard to sensor tech.