Pentax WG-3 GPS vs Sigma DP2

Let's examine more closely at the Pentax WG-3 GPS versus Sigma DP2, former being a Waterproof while the latter is a Large Sensor Compact by brands Pentax and Sigma. There is a large difference between the sensor resolutions of the WG-3 GPS (16MP) and DP2 (5MP) and the WG-3 GPS (1/2.3") and DP2 (APS-C) feature different sensor measurements.

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The WG-3 GPS was revealed 3 years later than the DP2 and that is quite a serious difference as far as tech is concerned. Each of these cameras offer different body type with the Pentax WG-3 GPS being a Compact camera and the Sigma DP2 being a Large Sensor Compact camera.

Before delving straight into a full comparison, below is a quick view of how the WG-3 GPS grades against the DP2 in the way of portability, imaging, features and an overall rating.

Below is a preview of the gallery images for Pentax WG-3 GPS & Sigma DP2. The full galleries are viewable at Pentax WG-3 GPS Gallery & Sigma DP2 Gallery.

If you're aiming to carry your camera regularly, you are going to need to take into account its weight and size. The Pentax WG-3 GPS enjoys outer dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") with a weight of 238 grams (0.52 lbs) whilst the Sigma DP2 has specifications of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") accompanied by a weight of 280 grams (0.62 lbs).

Compare the Pentax WG-3 GPS versus Sigma DP2 in our brand new Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary depending on the lens you have attached at that moment. Following is the front view dimensions comparison of the WG-3 GPS compared to the DP2.

Factoring in size and weight, the portability score of the WG-3 GPS and DP2 is 90 and 86 respectively.

Oftentimes, it can be hard to imagine the difference between sensor sizing merely by reviewing technical specs. The visual here will provide you a much better sense of the sensor dimensions in the WG-3 GPS and DP2.

As you can tell, both the cameras offer different megapixel count and different sensor sizing. The WG-3 GPS with its tinier sensor is going to make getting shallower depth of field trickier and the Pentax WG-3 GPS will deliver extra detail because of its extra 11MP. Higher resolution can also make it easier to crop pictures a little more aggressively. The more recent WG-3 GPS should have a benefit with regard to sensor innovation.