Pentax WG-3 GPS vs Sigma fp

Let's look much closer at the Pentax WG-3 GPS versus Sigma fp, one is a Waterproof and the latter is a Advanced Mirrorless by companies Pentax and Sigma. There exists a huge gap among the resolutions of the WG-3 GPS (16MP) and fp (25MP) and the WG-3 GPS (1/2.3") and fp (Full frame) boast totally different sensor sizes.

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The WG-3 GPS was announced 7 years prior to the fp which is a fairly significant gap as far as camera technology is concerned. Both cameras have different body design with the Pentax WG-3 GPS being a Compact camera and the Sigma fp being a Rangefinder-style mirrorless camera.

Before we go straight to a step-by-step comparison, here is a quick introduction of how the WG-3 GPS matches up vs the fp in relation to portability, imaging, features and an overall score.

The following is a preview of the gallery images for Pentax WG-3 GPS and Sigma fp. The whole galleries are viewable at Pentax WG-3 GPS Gallery and Sigma fp Gallery.

For those who are looking to carry around your camera often, you should take into account its weight and size. The Pentax WG-3 GPS has got outside measurements of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") having a weight of 238 grams (0.52 lbs) and the Sigma fp has specifications of 113mm x 70mm x 45mm (4.4" x 2.8" x 1.8") along with a weight of 422 grams (0.93 lbs).

Examine the Pentax WG-3 GPS versus Sigma fp in the latest Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you use during that time. The following is a front view sizing comparison of the WG-3 GPS versus the fp.

Looking at dimensions and weight, the portability grade of the WG-3 GPS and fp is 90 and 84 respectively.

Normally, its hard to see the gap in sensor sizes merely by looking through a spec sheet. The picture below should give you a stronger sense of the sensor sizing in the WG-3 GPS and fp.

Clearly, both of those cameras have different megapixel count and different sensor sizes. The WG-3 GPS with its smaller sensor will make shooting shallow depth of field more difficult and the Sigma fp will render extra detail with its extra 9MP. Higher resolution can also let you crop pictures a bit more aggressively. The more aged WG-3 GPS will be behind in sensor tech.