Pentax WG-3 GPS vs Sony A58

Here, we are reviewing the Pentax WG-3 GPS versus Sony A58, one is a Waterproof and the other is a Entry-Level DSLR by manufacturers Pentax and Sony. The sensor resolution of the WG-3 GPS (16MP) and the A58 (20MP) is fairly similar but the WG-3 GPS (1/2.3") and A58 (APS-C) provide totally different sensor sizing.

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The WG-3 GPS was manufactured 4 months prior to the A58 which means that they are of a similar generation. Each of the cameras feature different body design with the Pentax WG-3 GPS being a Compact camera and the Sony A58 being a Compact SLR camera.

Before delving straight to a full comparison, here is a quick synopsis of how the WG-3 GPS matches up versus the A58 for portability, imaging, features and an overall score.

Following is a sample of the gallery pictures for Pentax WG-3 GPS and Sony SLT-A58. The entire galleries are viewable at Pentax WG-3 GPS Gallery and Sony A58 Gallery.

When you are looking to carry around your camera regularly, you'll have to factor its weight and proportions. The Pentax WG-3 GPS provides outside measurements of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") having a weight of 238 grams (0.52 lbs) whilst the Sony A58 has measurements of 129mm x 95mm x 78mm (5.1" x 3.7" x 3.1") with a weight of 492 grams (1.08 lbs).

See the Pentax WG-3 GPS versus Sony A58 in the all new Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you are using at that moment. Following is a front view measurements comparison of the WG-3 GPS vs the A58.

Factoring in size and weight, the portability score of the WG-3 GPS and A58 is 90 and 68 respectively.

Often, its difficult to envision the difference between sensor sizes merely by reviewing a spec sheet. The pic here should provide you a better sense of the sensor measurements in the WG-3 GPS and A58.

As you can see, the two cameras come with different megapixels and different sensor sizes. The WG-3 GPS because of its tinier sensor will make getting shallower depth of field harder and the Sony A58 will offer extra detail due to its extra 4MP. Greater resolution will also let you crop photos a good deal more aggressively.