Nikon S31 vs Pentax WG-3

In this article, we are looking at the Nikon S31 vs Pentax WG-3, both Waterproof cameras by brands Nikon and Pentax. There is a noticeable difference among the image resolutions of the S31 (10MP) and WG-3 (16MP) and the S31 (1/2.9") and WG-3 (1/2.3") possess different sensor size.

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The S31 was released very close to the WG-3 and they are both of a similar age. Both of these cameras offer the identical body type (Compact).

Before diving through a in depth comparison, below is a simple summary of how the S31 matches up versus the WG-3 in regards to portability, imaging, features and an overall rating.

Following is a sample of the gallery pictures for Nikon Coolpix S31 & Pentax WG-3. The complete galleries are viewable at Nikon S31 Gallery & Pentax WG-3 Gallery.

If you're planning to carry your camera, you are going to need to factor in its weight and proportions. The Nikon S31 comes with physical dimensions of 105mm x 65mm x 42mm (4.1" x 2.6" x 1.7") and a weight of 185 grams (0.41 lbs) and the Pentax WG-3 has 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).

Examine the Nikon S31 vs Pentax WG-3 in our completely new Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will vary depending on the lens you have chosen during that time. Below is the front view physical size comparison of the S31 versus the WG-3.

Using size and weight, the portability score of the S31 and WG-3 is 90 and 90 respectively.

In many cases, it is very tough to imagine the difference in sensor sizing just by going through specifications. The visual below might offer you a more clear sense of the sensor dimensions in the S31 and WG-3.

Plainly, the two cameras offer different resolutions and different sensor sizing. The S31 featuring a smaller sensor is going to make getting shallow DOF tougher and the Pentax WG-3 will provide more detail as a result of its extra 6MP. Greater resolution will also enable you to crop photos a little more aggressively.