Pentax WG-3 GPS vs Sony A390

In this write-up, we will be analyzing the Pentax WG-3 GPS versus Sony A390, one is a Waterproof and the latter is a Entry-Level DSLR by companies Pentax and Sony. The resolution of the WG-3 GPS (16MP) and the A390 (14MP) is relatively similar but the WG-3 GPS (1/2.3") and A390 (APS-C) come with totally different sensor measurements.

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The WG-3 GPS was brought out 3 years after the A390 which is quite a large gap as far as technology is concerned. Both cameras offer different body type with the Pentax WG-3 GPS being a Compact camera and the Sony A390 being a Compact SLR camera.

Before delving in to a thorough comparison, below is a quick synopsis of how the WG-3 GPS scores against the A390 with respect to portability, imaging, features and an overall score.

Here is a preview of the gallery photos for Pentax WG-3 GPS and Sony Alpha DSLR-A390. The entire galleries are viewable at Pentax WG-3 GPS Gallery and Sony A390 Gallery.

When you are planning to carry around your camera, you will have to think about its weight and volume. The Pentax WG-3 GPS enjoys external dimensions 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 A390 has sizing of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") with a weight of 549 grams (1.21 lbs).

Analyze the Pentax WG-3 GPS versus Sony A390 in the new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary based on the lens you are utilising at that time. Underneath is the front view over all size comparison of the WG-3 GPS against the A390.

Using dimensions and weight, the portability score of the WG-3 GPS and A390 is 90 and 66 respectively.

Quite often, it can be tough to see the difference between sensor sizes merely by reviewing specifications. The image underneath might offer you a greater sense of the sensor dimensions in the WG-3 GPS and A390.

To sum up, the 2 cameras offer different megapixel count and different sensor sizes. The WG-3 GPS because of its tinier sensor will make achieving bokeh trickier and the Pentax WG-3 GPS will offer extra detail having its extra 2 Megapixels. Higher resolution will let you crop pictures a little more aggressively. The younger WG-3 GPS is going to have a benefit in sensor tech.