Pentax WG-3 GPS vs Sony A900

Let's look more closely at the Pentax WG-3 GPS and Sony A900, former being a Waterproof while the other is a Advanced DSLR by companies Pentax and Sony. There is a substantial difference between the image resolutions of the WG-3 GPS (16MP) and A900 (25MP) and the WG-3 GPS (1/2.3") and A900 (Full frame) provide different sensor sizes.

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The WG-3 GPS was introduced 4 years later than the A900 and that is quite a big difference as far as tech is concerned. Each of the cameras have different body design with the Pentax WG-3 GPS being a Compact camera and the Sony A900 being a Mid-size SLR camera.

Before getting right into a step-by-step comparison, here is a simple highlight of how the WG-3 GPS matches up vs the A900 in relation to portability, imaging, features and an overall grade.

The following is a sample of the gallery pictures for Pentax WG-3 GPS & Sony Alpha DSLR-A900. The whole galleries are available at Pentax WG-3 GPS Gallery & Sony A900 Gallery.

For anybody who is aiming to lug around your camera regularly, you are going to need to consider its weight and proportions. The Pentax WG-3 GPS comes with outer dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") and a weight of 238 grams (0.52 lbs) while the Sony A900 has measurements of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") along with a weight of 895 grams (1.97 lbs).

Compare the Pentax WG-3 GPS and Sony A900 in our brand new Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will differ dependant on the lens you use at that time. The following is a front view dimensions comparison of the WG-3 GPS vs the A900.

Taking into consideration size and weight, the portability rating of the WG-3 GPS and A900 is 90 and 54 respectively.

In many cases, it's tough to imagine the gap between sensor measurements purely by reading specs. The photograph underneath should give you a much better sense of the sensor sizes in the WG-3 GPS and A900.

All in all, each of the cameras have different megapixel count and different sensor measurements. The WG-3 GPS using its tinier sensor is going to make getting shallow DOF tougher and the Sony A900 will offer greater detail using its extra 9MP. Greater resolution can also make it easier to crop pics a bit more aggressively. The more recent WG-3 GPS should have an edge when it comes to sensor innovation.