Pentax WG-3 GPS vs Sigma Quattro

Lets look more in depth at the Pentax WG-3 GPS vs Sigma Quattro, one is a Waterproof and the other is a Advanced Mirrorless by manufacturers Pentax and Sigma. There exists a sizeable gap among the resolutions of the WG-3 GPS (16MP) and Quattro (29MP) and the WG-3 GPS (1/2.3") and Quattro (APS-C) posses totally different sensor measurements.

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The WG-3 GPS was introduced 3 years before the Quattro which is a fairly large gap as far as camera technology is concerned. Each of the cameras feature different body design with the Pentax WG-3 GPS being a Compact camera and the Sigma Quattro being a Rangefinder-style mirrorless camera.

Before diving into a comprehensive comparison, here is a quick overview of how the WG-3 GPS scores against the Quattro with respect to portability, imaging, features and an overall mark.

Following is a sample of the gallery pictures for Pentax WG-3 GPS and Sigma sd Quattro. The whole galleries are viewable at Pentax WG-3 GPS Gallery and Sigma Quattro Gallery.

If you're looking to travel with your camera frequently, you will want to factor its weight and volume. The Pentax WG-3 GPS provides external 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) whilst the Sigma Quattro has sizing of 147mm x 95mm x 91mm (5.8" x 3.7" x 3.6") along with a weight of 625 grams (1.38 lbs).

Check out the Pentax WG-3 GPS vs Sigma Quattro in the all new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you have during that time. Following is a front view measurements comparison of the WG-3 GPS compared to the Quattro.

Taking into account dimensions and weight, the portability grade of the WG-3 GPS and Quattro is 90 and 63 respectively.

More often than not, its hard to envision the contrast in sensor dimensions purely by looking through specs. The picture here should offer you a better sense of the sensor dimensions in the WG-3 GPS and Quattro.

All in all, the 2 cameras come with different megapixels and different sensor dimensions. The WG-3 GPS having a smaller sensor will make getting shallow depth of field tougher and the Sigma Quattro will result in greater detail using its extra 13 Megapixels. Greater resolution will let you crop images a good deal more aggressively. The more aged WG-3 GPS will be disadvantaged in sensor innovation.