Pentax WG-3 GPS vs Sigma DP3 Merrill

Here, we will be contrasting the Pentax WG-3 GPS versus Sigma DP3 Merrill, one is a Waterproof and the latter is a Large Sensor Compact by manufacturers Pentax and Sigma. The resolution of the WG-3 GPS (16MP) and the DP3 Merrill (15MP) is pretty close but the WG-3 GPS (1/2.3") and DP3 Merrill (APS-C) provide totally different sensor sizes.

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The WG-3 GPS was launched 7 months after the DP3 Merrill so they are of a similar generation. Each of these cameras feature different body design with the Pentax WG-3 GPS being a Compact camera and the Sigma DP3 Merrill being a Large Sensor Compact camera.

Before we go into a full comparison, here is a quick synopsis of how the WG-3 GPS grades vs the DP3 Merrill in regards to portability, imaging, features and an overall score.

Below is a preview of the gallery images for Pentax WG-3 GPS and Sigma DP3 Merrill. The complete galleries are available at Pentax WG-3 GPS Gallery and Sigma DP3 Merrill Gallery.

For anybody who is going to carry around your camera, you'll have to factor in its weight and measurements. The Pentax WG-3 GPS provides exterior dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") and a weight of 238 grams (0.52 lbs) and the Sigma DP3 Merrill has proportions of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") and a weight of 330 grams (0.73 lbs).

Contrast the Pentax WG-3 GPS versus Sigma DP3 Merrill in the latest Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you use during that time. Underneath is a front view scale comparison of the WG-3 GPS and the DP3 Merrill.

Taking into account dimensions and weight, the portability grade of the WG-3 GPS and DP3 Merrill is 90 and 83 respectively.

Sometimes, it is very difficult to envision the gap in sensor sizes only by viewing technical specs. The picture here might provide you a much better sense of the sensor sizes in the WG-3 GPS and DP3 Merrill.

As you can tell, each of the cameras feature different resolutions and different sensor sizes. The WG-3 GPS featuring a smaller sensor will make achieving shallower depth of field more challenging and the Pentax WG-3 GPS will result in greater detail utilizing its extra 1MP. Higher resolution can also help you crop pictures way more aggressively. The younger WG-3 GPS will have an edge in sensor innovation.