Canon A3100 IS vs Pentax WG-2 GPS

Here, we will be evaluating the Canon A3100 IS versus Pentax WG-2 GPS, one being a Small Sensor Compact and the latter is a Waterproof by rivals Canon and Pentax. There exists a significant gap among the image resolutions of the A3100 IS (12MP) and WG-2 GPS (16MP) but both cameras have the identical sensor sizes (1/2.3").

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The A3100 IS was revealed 3 years prior to the WG-2 GPS and that is a fairly sizable gap as far as camera technology is concerned. The two cameras feature the same body design (Compact).

Before going into a comprehensive comparison, here is a simple overview of how the A3100 IS matches up versus the WG-2 GPS in terms of portability, imaging, features and an overall rating.

Here is a preview of the gallery images for Canon PowerShot A3100 IS and Pentax Optio WG-2 GPS. The full galleries are available at Canon A3100 IS Gallery and Pentax WG-2 GPS Gallery.

For those who are planning to carry your camera, you have to take into account its weight and measurements. The Canon A3100 IS has outside measurements of 97mm x 58mm x 28mm (3.8" x 2.3" x 1.1") and a weight of 165 grams (0.36 lbs) and the Pentax WG-2 GPS has proportions of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") and a weight of 198 grams (0.44 lbs).

See the Canon A3100 IS versus Pentax WG-2 GPS in the new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have attached at that time. Following is a front view proportions comparison of the A3100 IS versus the WG-2 GPS.

Looking at dimensions and weight, the portability rating of the A3100 IS and WG-2 GPS is 94 and 91 respectively.

Typically, it is difficult to picture the contrast in sensor sizing merely by looking through specs. The visual underneath should give you a far better sense of the sensor sizing in the A3100 IS and WG-2 GPS.

All in all, each of the cameras come with the identical sensor size albeit different megapixels. You should expect the Pentax WG-2 GPS to render greater detail because of its extra 4 Megapixels. Higher resolution can also help you crop shots a good deal more aggressively. The older A3100 IS will be disadvantaged in sensor innovation.