Pentax WG-3 GPS vs Sigma Quattro H

Here is a in-depth overview of the Pentax WG-3 GPS versus Sigma Quattro H, former being a Waterproof while the latter is a Advanced Mirrorless by rivals Pentax and Sigma. There exists a substantial gap between the sensor resolutions of the WG-3 GPS (16MP) and Quattro H (45MP) and the WG-3 GPS (1/2.3") and Quattro H (APS-H) posses totally different sensor size.

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The WG-3 GPS was unveiled 3 years prior to the Quattro H and that is quite a big difference as far as technology is concerned. Both of these cameras feature different body design with the Pentax WG-3 GPS being a Compact camera and the Sigma Quattro H being a Rangefinder-style mirrorless camera.

Before going straight to a detailed comparison, here is a quick highlight of how the WG-3 GPS grades against the Quattro H with respect to portability, imaging, features and an overall rating.

Below is a preview of the gallery photos for Pentax WG-3 GPS & Sigma sd Quattro H. The full galleries are viewable at Pentax WG-3 GPS Gallery & Sigma Quattro H Gallery.

If you are planning to carry your camera, you should factor its weight and volume. The Pentax WG-3 GPS has got outside dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") having a weight of 238 grams (0.52 lbs) whilst the Sigma Quattro H has sizing of 147mm x 95mm x 91mm (5.8" x 3.7" x 3.6") along with a weight of n/a grams (0.00 lbs).

Contrast the Pentax WG-3 GPS versus Sigma Quattro H in our completely new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary based on the lens you have attached during that time. Below is a front view size comparison of the WG-3 GPS and the Quattro H.

Using dimensions and weight, the portability rating of the WG-3 GPS and Quattro H is 90 and 78 respectively.

Typically, it's hard to see the difference between sensor sizing only by reading through specs. The graphic here may give you a clearer sense of the sensor sizes in the WG-3 GPS and Quattro H.

As you can plainly see, both of these cameras come with different megapixels and different sensor sizing. The WG-3 GPS having a tinier sensor will make achieving shallower depth of field more difficult and the Sigma Quattro H will give extra detail having an extra 29 Megapixels. Higher resolution will also help you crop pictures a good deal more aggressively. The older WG-3 GPS is going to be behind with regard to sensor technology.