Pentax WG-3 GPS vs Sony A99

Its time to look more closely at the Pentax WG-3 GPS versus Sony A99, one is a Waterproof and the latter is a Advanced DSLR by manufacturers Pentax and Sony. There is a big difference between the resolutions of the WG-3 GPS (16MP) and A99 (24MP) and the WG-3 GPS (1/2.3") and A99 (Full frame) come with different sensor size.

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The WG-3 GPS was revealed 8 months after the A99 and they are of a similar generation. Each of the cameras offer different body type with the Pentax WG-3 GPS being a Compact camera and the Sony A99 being a Mid-size SLR camera.

Before going through a complete comparison, below is a quick summary of how the WG-3 GPS scores versus the A99 in relation to portability, imaging, features and an overall mark.

This is a preview of the gallery images for Pentax WG-3 GPS and Sony SLT-A99. The full galleries are provided at Pentax WG-3 GPS Gallery and Sony A99 Gallery.

For anybody who is aiming to travel with your camera often, you're going to have to factor in its weight and measurements. The Pentax WG-3 GPS features outside dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") accompanied by a weight of 238 grams (0.52 lbs) while the Sony A99 has proportions of 147mm x 111mm x 78mm (5.8" x 4.4" x 3.1") and a weight of 812 grams (1.79 lbs).

Examine the Pentax WG-3 GPS versus Sony A99 in the latest Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you are using during that time. Here is the front view dimension comparison of the WG-3 GPS against the A99.

Factoring in size and weight, the portability score of the WG-3 GPS and A99 is 90 and 57 respectively.

Generally, its difficult to imagine the contrast between sensor dimensions simply by reviewing specs. The picture underneath will offer you a clearer sense of the sensor sizes in the WG-3 GPS and A99.

As you can plainly see, the two cameras offer different megapixel count and different sensor dimensions. The WG-3 GPS with its tinier sensor is going to make achieving shallower DOF trickier and the Sony A99 will offer extra detail because of its extra 8MP. Higher resolution can also let you crop pictures a little more aggressively. The fresher WG-3 GPS provides an advantage in sensor tech.