Pentax WG-3 vs Sigma DP2x

Its time to look much closer at the Pentax WG-3 vs Sigma DP2x, former being a Waterproof while the latter is a Large Sensor Compact by manufacturers Pentax and Sigma. There is a sizable difference among the sensor resolutions of the WG-3 (16MP) and DP2x (5MP) and the WG-3 (1/2.3") and DP2x (APS-C) come with totally different sensor size.

Photography Glossary

The WG-3 was unveiled 2 years later than the DP2x and that is a fairly significant difference as far as camera tech is concerned. Each of these cameras offer different body type with the Pentax WG-3 being a Compact camera and the Sigma DP2x being a Large Sensor Compact camera.

Before delving straight into a in-depth comparison, below is a simple introduction of how the WG-3 grades vs the DP2x with regard to portability, imaging, features and an overall rating.

Following is a preview of the gallery photos for Pentax WG-3 & Sigma DP2x. The full galleries are viewable at Pentax WG-3 Gallery & Sigma DP2x Gallery.

If you are planning to carry your camera often, you have to take into account its weight and size. The Pentax WG-3 offers outer dimensions of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") and a weight of 230 grams (0.51 lbs) while the Sigma DP2x 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).

See the Pentax WG-3 vs Sigma DP2x in our newest Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary based on the lens you have attached at that moment. Below is the front view scale comparison of the WG-3 and the DP2x.

Factoring in size and weight, the portability score of the WG-3 and DP2x is 90 and 86 respectively.

Generally, it is very tough to see the contrast in sensor sizing simply by researching technical specs. The visual below may give you a better sense of the sensor dimensions in the WG-3 and DP2x.

As you have seen, each of the cameras offer different resolutions and different sensor sizing. The WG-3 having a smaller sensor will make getting shallow depth of field harder and the Pentax WG-3 will provide you with more detail having an extra 11 Megapixels. Higher resolution will also help you crop pictures a little more aggressively. The younger WG-3 will have a benefit with regard to sensor technology.