Pentax WG-1 vs Sony A7 III

Its time to look much closer at the Pentax WG-1 vs Sony A7 III, one being a Waterproof and the other is a Pro Mirrorless by companies Pentax and Sony. There exists a sizeable gap between the image resolutions of the WG-1 (14MP) and A7 III (24MP) and the WG-1 (1/2.3") and A7 III (Full frame) enjoy totally different sensor dimensions.

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The WG-1 was unveiled 8 years prior to the A7 III and that is quite a large gap as far as technology is concerned. Each of these cameras offer different body type with the Pentax WG-1 being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before delving straight into a in-depth comparison, below is a quick summation of how the WG-1 grades versus the A7 III for portability, imaging, features and an overall rating.

Below is a sample of the gallery pictures for Pentax Optio WG-1 and Sony Alpha A7 III. The full galleries are provided at Pentax WG-1 Gallery and Sony A7 III Gallery.

If you're aiming to carry your camera, you will need to take into account its weight and measurements. The Pentax WG-1 enjoys external measurements of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") having a weight of 157 grams (0.35 lbs) and the Sony A7 III has proportions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).

Examine the Pentax WG-1 vs Sony A7 III in the new Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are employing at the time. Here is the front view dimensions comparison of the WG-1 and the A7 III.

Factoring in dimensions and weight, the portability grade of the WG-1 and A7 III is 93 and 63 respectively.

Typically, it is very hard to visualise the difference between sensor sizing purely by reviewing technical specs. The photograph here will help give you a much better sense of the sensor sizing in the WG-1 and A7 III.

As you have seen, both of these cameras offer different resolutions and different sensor sizing. The WG-1 using its tinier sensor will make achieving shallow depth of field more difficult and the Sony A7 III will offer extra detail having an extra 10MP. Greater resolution can also make it easier to crop pics a little more aggressively. The older WG-1 is going to be disadvantaged in sensor tech.