Pentax WG-3 vs Sigma DP2 Quattro

Let's look much closer at the Pentax WG-3 vs Sigma DP2 Quattro, one being a Waterproof and the other is a Large Sensor Compact by companies Pentax and Sigma. The image resolution of the WG-3 (16MP) and the DP2 Quattro (20MP) is very well matched but the WG-3 (1/2.3") and DP2 Quattro (APS-C) boast different sensor sizing.

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The WG-3 was introduced 6 months prior to the DP2 Quattro so they are both of a similar generation. The two cameras have different body design with the Pentax WG-3 being a Compact camera and the Sigma DP2 Quattro being a Large Sensor Compact camera.

Before going straight to a comprehensive comparison, here is a brief introduction of how the WG-3 grades versus the DP2 Quattro when it comes to portability, imaging, features and an overall rating.

Below is a sample of the gallery pics for Pentax WG-3 and Sigma DP2 Quattro. The whole galleries are available at Pentax WG-3 Gallery and Sigma DP2 Quattro Gallery.

For anyone who is planning to carry your camera frequently, you have to factor in its weight and volume. The Pentax WG-3 offers exterior dimensions of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") with a weight of 230 grams (0.51 lbs) while the Sigma DP2 Quattro has sizing of 161mm x 67mm x 82mm (6.3" x 2.6" x 3.2") accompanied by a weight of 395 grams (0.87 lbs).

Look at the Pentax WG-3 vs Sigma DP2 Quattro in the all new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have attached at the time. The following is a front view sizing comparison of the WG-3 vs the DP2 Quattro.

Looking at dimensions and weight, the portability score of the WG-3 and DP2 Quattro is 90 and 70 respectively.

Typically, it can be difficult to visualize the difference between sensor sizing purely by looking at specifications. The graphic below might give you a greater sense of the sensor sizes in the WG-3 and DP2 Quattro.

To sum up, each of the cameras provide different resolutions and different sensor sizing. The WG-3 with its tinier sensor is going to make achieving bokeh harder and the Sigma DP2 Quattro will give you extra detail using its extra 4 Megapixels. Greater resolution will also let you crop photos more aggressively.