Pentax WG-3 vs Sony A900

Below, we are evaluating the Pentax WG-3 and Sony A900, one is a Waterproof and the other is a Advanced DSLR by rivals Pentax and Sony. There exists a big gap between the sensor resolutions of the WG-3 (16MP) and A900 (25MP) and the WG-3 (1/2.3") and A900 (Full frame) possess different sensor dimensions.

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The WG-3 was introduced 4 years after the A900 which is quite a big gap as far as technology is concerned. Both cameras come with different body type with the Pentax WG-3 being a Compact camera and the Sony A900 being a Mid-size SLR camera.

Before delving through a complete comparison, below is a brief summation of how the WG-3 grades against the A900 in regards to portability, imaging, features and an overall mark.

This is a sample of the gallery pics for Pentax WG-3 and Sony Alpha DSLR-A900. The whole galleries are viewable at Pentax WG-3 Gallery and Sony A900 Gallery.

For anyone who is intending to travel with your camera, you'll have to take into account its weight and measurements. The Pentax WG-3 features physical measurements of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") along with a weight of 230 grams (0.51 lbs) while the Sony A900 has proportions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") accompanied by a weight of 895 grams (1.97 lbs).

Look at the Pentax WG-3 and Sony A900 in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you choose during that time. The following is the front view size comparison of the WG-3 compared to the A900.

Considering dimensions and weight, the portability rating of the WG-3 and A900 is 90 and 54 respectively.

More often than not, it is very tough to imagine the gap between sensor dimensions simply by reviewing specs. The pic below will offer you a clearer sense of the sensor measurements in the WG-3 and A900.

As you can plainly see, the 2 cameras posses different megapixels and different sensor dimensions. The WG-3 using its tinier sensor is going to make shooting bokeh more difficult and the Sony A900 will offer more detail using its extra 9MP. Greater resolution will also make it easier to crop images somewhat more aggressively. The fresher WG-3 should have an edge with regard to sensor technology.