Pentax WG-2 vs Sony A900

Below is a comprehensive comparison of the Pentax WG-2 versus Sony A900, former being a Waterproof while the other is a Advanced DSLR by rivals Pentax and Sony. There is a substantial difference among the image resolutions of the WG-2 (16MP) and A900 (25MP) and the WG-2 (1/2.3") and A900 (Full frame) boast different sensor measurements.

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The WG-2 was announced 3 years later than the A900 and that is a fairly big difference as far as camera tech is concerned. Each of the cameras have different body design with the Pentax WG-2 being a Compact camera and the Sony A900 being a Mid-size SLR camera.

Before we go into a in-depth comparison, here is a simple summation of how the WG-2 matches up vs the A900 with regard to portability, imaging, features and an overall grade.

Following is a sample of the gallery pics for Pentax Optio WG-2 & Sony Alpha DSLR-A900. The whole galleries are provided at Pentax WG-2 Gallery & Sony A900 Gallery.

If you are aiming to lug around your camera regularly, you'll have to take into account its weight and volume. The Pentax WG-2 provides physical dimensions of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") accompanied by a weight of 192 grams (0.42 lbs) while the Sony A900 has sizing of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") accompanied by a weight of 895 grams (1.97 lbs).

See the Pentax WG-2 versus Sony A900 in our completely new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ dependant on the lens you have at the time. Here is a front view dimension comparison of the WG-2 and the A900.

Taking into consideration size and weight, the portability score of the WG-2 and A900 is 91 and 54 respectively.

Oftentimes, it is very tough to imagine the difference in sensor measurements just by researching a spec sheet. The graphic below will provide you a stronger sense of the sensor sizes in the WG-2 and A900.

Clearly, both of these cameras provide different megapixels and different sensor measurements. The WG-2 having a smaller sensor is going to make getting bokeh tougher and the Sony A900 will result in greater detail with its extra 9 Megapixels. Greater resolution can also allow you to crop photos more aggressively. The more recent WG-2 provides an edge with regard to sensor tech.