Pentax WG-2 GPS vs Sony A900

Let's look closer at the Pentax WG-2 GPS versus Sony A900, one being a Waterproof and the latter is a Advanced DSLR by companies Pentax and Sony. There is a sizeable difference among the image resolutions of the WG-2 GPS (16MP) and A900 (25MP) and the WG-2 GPS (1/2.3") and A900 (Full frame) posses totally different sensor size.

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The WG-2 GPS was manufactured 3 years later than the A900 and that is a fairly large gap as far as camera tech is concerned. Both of these cameras have different body design with the Pentax WG-2 GPS being a Compact camera and the Sony A900 being a Mid-size SLR camera.

Before delving right into a step-by-step comparison, here is a brief view of how the WG-2 GPS scores versus the A900 in regards to portability, imaging, features and an overall rating.

Here is a preview of the gallery images for Pentax Optio WG-2 GPS and Sony Alpha DSLR-A900. The entire galleries are viewable at Pentax WG-2 GPS Gallery and Sony A900 Gallery.

In case you're looking to carry your camera often, you have to take into account its weight and dimensions. The Pentax WG-2 GPS has got outside 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) and the Sony A900 has dimensions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") and a weight of 895 grams (1.97 lbs).

Contrast the Pentax WG-2 GPS versus Sony A900 in the latest Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you are utilizing at that time. Following is a front view dimensions comparison of the WG-2 GPS versus the A900.

Using size and weight, the portability score of the WG-2 GPS and A900 is 91 and 54 respectively.

Usually, it can be tough to envision the difference in sensor sizing purely by viewing a spec sheet. The graphic below may provide you a better sense of the sensor sizes in the WG-2 GPS and A900.

Clearly, both of those cameras provide different megapixels and different sensor sizing. The WG-2 GPS due to its smaller sensor will make achieving shallow depth of field trickier and the Sony A900 will result in greater detail due to its extra 9MP. Higher resolution will make it easier to crop shots more aggressively. The more recent WG-2 GPS is going to have an edge in sensor innovation.