Pentax WG-1 GPS vs Sigma SD15

On this page, we are contrasting the Pentax WG-1 GPS versus Sigma SD15, former is a Waterproof while the other is a Advanced DSLR by companies Pentax and Sigma. There is a substantial difference among the resolutions of the WG-1 GPS (14MP) and SD15 (5MP) and the WG-1 GPS (1/2.3") and SD15 (APS-C) provide different sensor sizing.

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The WG-1 GPS was unveiled 19 months after the SD15 making them a generation away from each other. Each of these cameras have different body design with the Pentax WG-1 GPS being a Compact camera and the Sigma SD15 being a Mid-size SLR camera.

Before delving straight to a complete comparison, here is a simple view of how the WG-1 GPS matches up vs the SD15 in regards to portability, imaging, features and an overall mark.

This is a sample of the gallery pictures for Pentax Optio WG-1 GPS & Sigma SD15. The full galleries are viewable at Pentax WG-1 GPS Gallery & Sigma SD15 Gallery.

If you're aiming to travel with your camera, you will want to think about its weight and dimensions. The Pentax WG-1 GPS has exterior dimensions of 116mm x 59mm x 29mm (4.6" x 2.3" x 1.1") and a weight of 167 grams (0.37 lbs) whilst the Sigma SD15 has dimensions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") having a weight of 750 grams (1.65 lbs).

Check out the Pentax WG-1 GPS versus Sigma SD15 in our brand new Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change dependant on the lens you are working with during that time. Following is a front view sizing comparison of the WG-1 GPS versus the SD15.

Taking into account size and weight, the portability rating of the WG-1 GPS and SD15 is 93 and 59 respectively.

Generally, it is difficult to visualize the difference in sensor dimensions merely by looking through specs. The image below might give you a clearer sense of the sensor sizes in the WG-1 GPS and SD15.

All in all, both of the cameras provide different megapixels and different sensor dimensions. The WG-1 GPS with its smaller sensor is going to make shooting bokeh trickier and the Pentax WG-1 GPS will provide you with extra detail having an extra 9 Megapixels. Greater resolution will help you crop photos more aggressively. The more recent WG-1 GPS provides a benefit when it comes to sensor technology.