Pentax WG-3 vs Sigma SD9

Let's look closer at the Pentax WG-3 and Sigma SD9, one being a Waterproof and the latter is a Advanced DSLR by brands Pentax and Sigma. There exists a crucial gap between the sensor resolutions of the WG-3 (16MP) and SD9 (3MP) and the WG-3 (1/2.3") and SD9 (APS-C) feature different sensor size.

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The WG-3 was unveiled 10 years later than the SD9 and that is quite a serious gap as far as technology is concerned. Each of the cameras offer different body type with the Pentax WG-3 being a Compact camera and the Sigma SD9 being a Mid-size SLR camera.

Before we go through a complete comparison, below is a short overview of how the WG-3 scores against the SD9 with regard to portability, imaging, features and an overall grade.

The following is a preview of the gallery photos for Pentax WG-3 and Sigma SD9. The full galleries are viewable at Pentax WG-3 Gallery and Sigma SD9 Gallery.

When you are aiming to lug around your camera regularly, you are going to need to consider its weight and volume. The Pentax WG-3 offers external measurements of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") along with a weight of 230 grams (0.51 lbs) whilst the Sigma SD9 has sizing of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") accompanied by a weight of 950 grams (2.09 lbs).

Contrast the Pentax WG-3 and Sigma SD9 in the latest Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you use at that moment. Following is the front view size comparison of the WG-3 versus the SD9.

Looking at dimensions and weight, the portability grade of the WG-3 and SD9 is 90 and 54 respectively.

More often than not, it can be tough to visualize the contrast between sensor measurements merely by looking at a spec sheet. The graphic underneath will help provide you a stronger sense of the sensor sizing in the WG-3 and SD9.

Clearly, each of these cameras offer different resolutions and different sensor measurements. The WG-3 using its tinier sensor is going to make shooting shallower depth of field harder and the Pentax WG-3 will give more detail having an extra 13MP. Higher resolution can also allow you to crop shots a little more aggressively. The more recent WG-3 provides an edge when it comes to sensor tech.