Pentax WG-2 GPS vs Sony A100

Following is a detailed review of the Pentax WG-2 GPS and Sony A100, one is a Waterproof and the latter is a Entry-Level DSLR by brands Pentax and Sony. There exists a crucial gap among the sensor resolutions of the WG-2 GPS (16MP) and A100 (10MP) and the WG-2 GPS (1/2.3") and A100 (APS-C) posses different sensor size.

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The WG-2 GPS was announced 5 years after the A100 which is a fairly serious gap as far as camera technology is concerned. Each of the cameras feature different body design with the Pentax WG-2 GPS being a Compact camera and the Sony A100 being a Compact SLR camera.

Before we go right into a full comparison, here is a quick summary of how the WG-2 GPS matches up versus the A100 in regards to portability, imaging, features and an overall score.

Here is a preview of the gallery images for Pentax Optio WG-2 GPS and Sony Alpha DSLR-A100. The whole galleries are available at Pentax WG-2 GPS Gallery and Sony A100 Gallery.

In case you're looking to carry around your camera frequently, you are going to need to factor in its weight and dimensions. The Pentax WG-2 GPS comes with outer dimensions of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") along with a weight of 198 grams (0.44 lbs) while the Sony A100 has dimensions of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") and a weight of 638 grams (1.41 lbs).

Look at the Pentax WG-2 GPS and Sony A100 in the new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you select during that time. The following is a front view overall size comparison of the WG-2 GPS and the A100.

Factoring in dimensions and weight, the portability grade of the WG-2 GPS and A100 is 91 and 64 respectively.

Typically, it can be tough to imagine the contrast in sensor sizes just by researching specifications. The pic here will help give you a more clear sense of the sensor dimensions in the WG-2 GPS and A100.

Plainly, both of the cameras feature different resolutions and different sensor sizes. The WG-2 GPS using its smaller sensor is going to make achieving shallower DOF tougher and the Pentax WG-2 GPS will provide you with extra detail with its extra 6MP. Higher resolution will also make it easier to crop shots way more aggressively. The newer WG-2 GPS provides an edge when it comes to sensor tech.