Olympus E-P3 vs Pentax WG-3 GPS

On this page, we are analyzing the Olympus E-P3 versus Pentax WG-3 GPS, one is a Entry-Level Mirrorless and the other is a Waterproof by competitors Olympus and Pentax. There is a crucial difference among the resolutions of the E-P3 (12MP) and WG-3 GPS (16MP) and the E-P3 (Four Thirds) and WG-3 GPS (1/2.3") offer totally different sensor sizes.

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The E-P3 was released 23 months prior to the WG-3 GPS making them a generation away from each other. Both of these cameras have different body design with the Olympus E-P3 being a Rangefinder-style mirrorless camera and the Pentax WG-3 GPS being a Compact camera.

Before we go into a step-by-step comparison, here is a short overview of how the E-P3 matches up vs the WG-3 GPS with regards to portability, imaging, features and an overall mark.

Following is a sample of the gallery pics for Olympus PEN E-P3 and Pentax WG-3 GPS. The complete galleries are viewable at Olympus E-P3 Gallery and Pentax WG-3 GPS Gallery.

For anybody who is looking to travel with your camera often, you'll need to factor in its weight and proportions. The Olympus E-P3 comes with exterior measurements of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") along with a weight of 369 grams (0.81 lbs) while the Pentax WG-3 GPS has measurements of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") along with a weight of 238 grams (0.52 lbs).

Examine the Olympus E-P3 versus Pentax WG-3 GPS in the latest Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you are utilising during that time. Here is a front view measurement comparison of the E-P3 against the WG-3 GPS.

Taking into account size and weight, the portability score of the E-P3 and WG-3 GPS is 86 and 90 respectively.

In many cases, its hard to visualise the contrast in sensor dimensions only by seeing specs. The picture here might provide you a much better sense of the sensor sizing in the E-P3 and WG-3 GPS.

All in all, both of those cameras provide different resolutions and different sensor dimensions. The E-P3 due to its larger sensor will make getting shallower DOF less difficult and the Pentax WG-3 GPS will show greater detail as a result of its extra 4 Megapixels. Greater resolution will also allow you to crop pics more aggressively. The more aged E-P3 will be disadvantaged with regard to sensor tech.