Pentax WG-1 GPS vs Sony A7 III

Lets take a closer look at the Pentax WG-1 GPS versus Sony A7 III, one being a Waterproof and the latter is a Pro Mirrorless by companies Pentax and Sony. There is a sizeable difference between the sensor resolutions of the WG-1 GPS (14MP) and A7 III (24MP) and the WG-1 GPS (1/2.3") and A7 III (Full frame) enjoy totally different sensor measurements.

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The WG-1 GPS was unveiled 7 years before the A7 III and that is quite a large gap as far as tech is concerned. Each of the cameras come with different body type with the Pentax WG-1 GPS being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before diving through a full comparison, below is a short summary of how the WG-1 GPS grades versus the A7 III for portability, imaging, features and an overall rating.

Here is a preview of the gallery photos for Pentax Optio WG-1 GPS and Sony Alpha A7 III. The full galleries are available at Pentax WG-1 GPS Gallery and Sony A7 III Gallery.

When you are looking to carry your camera regularly, you will want to consider its weight and measurements. The Pentax WG-1 GPS has got outer measurements of 116mm x 59mm x 29mm (4.6" x 2.3" x 1.1") with a weight of 167 grams (0.37 lbs) and the Sony A7 III has proportions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 650 grams (1.43 lbs).

Contrast the Pentax WG-1 GPS versus Sony A7 III in the new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change depending on the lens you are working with at that moment. Below is the front view measurements comparison of the WG-1 GPS against the A7 III.

Using size and weight, the portability grade of the WG-1 GPS and A7 III is 93 and 63 respectively.

Generally, it is tough to envision the difference between sensor sizing merely by reviewing a spec sheet. The visual here will help give you a more clear sense of the sensor sizing in the WG-1 GPS and A7 III.

Clearly, the 2 cameras posses different megapixel count and different sensor sizing. The WG-1 GPS with its tinier sensor will make achieving shallower depth of field more challenging and the Sony A7 III will offer more detail having an extra 10 Megapixels. Higher resolution will let you crop shots somewhat more aggressively. The older WG-1 GPS is going to be behind when it comes to sensor technology.