Pentax WG-3 vs Sigma SD15

Lets examine more closely at the Pentax WG-3 versus Sigma SD15, one being a Waterproof and the latter is a Advanced DSLR by rivals Pentax and Sigma. There is a significant difference between the image resolutions of the WG-3 (16MP) and SD15 (5MP) and the WG-3 (1/2.3") and SD15 (APS-C) use totally different sensor measurements.

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The WG-3 was brought out 3 years later than the SD15 and that is quite a sizable gap as far as tech is concerned. Each of the cameras come with different body type with the Pentax WG-3 being a Compact camera and the Sigma SD15 being a Mid-size SLR camera.

Before diving straight into a complete comparison, below is a concise overview of how the WG-3 matches up vs the SD15 in terms of portability, imaging, features and an overall rating.

The following is a preview of the gallery photos for Pentax WG-3 and Sigma SD15. The entire galleries are available at Pentax WG-3 Gallery and Sigma SD15 Gallery.

When you are intending to carry your camera, you need to take into account its weight and measurements. The Pentax WG-3 offers external measurements of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") accompanied by a weight of 230 grams (0.51 lbs) while the Sigma SD15 has proportions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") and a weight of 750 grams (1.65 lbs).

Compare the Pentax WG-3 versus Sigma SD15 in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change depending on the lens you are utilizing at that time. Underneath is the front view size comparison of the WG-3 and the SD15.

Looking at size and weight, the portability rating of the WG-3 and SD15 is 90 and 59 respectively.

Oftentimes, it is hard to envision the gap between sensor sizing only by reading specifications. The photograph here will help offer you a greater sense of the sensor measurements in the WG-3 and SD15.

To sum up, the 2 cameras have got different resolutions and different sensor sizing. The WG-3 due to its tinier sensor will make shooting shallow DOF harder and the Pentax WG-3 will deliver more detail having its extra 11 Megapixels. Higher resolution will enable you to crop shots much more aggressively. The younger WG-3 is going to have an advantage in sensor technology.