Olympus E-PM1 vs Pentax WG-2 GPS

On this page, we will be evaluating the Olympus E-PM1 and Pentax WG-2 GPS, former being a Entry-Level Mirrorless while the latter is a Waterproof by companies Olympus and Pentax. There is a considerable difference between the image resolutions of the E-PM1 (12MP) and WG-2 GPS (16MP) and the E-PM1 (Four Thirds) and WG-2 GPS (1/2.3") posses totally different sensor size.

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The E-PM1 was released 2 months before the WG-2 GPS so they are both of a similar age. Both of the cameras have different body design with the Olympus E-PM1 being a Rangefinder-style mirrorless camera and the Pentax WG-2 GPS being a Compact camera.

Before delving straight to a in depth comparison, here is a brief view of how the E-PM1 matches up vs the WG-2 GPS in regards to portability, imaging, features and an overall rating.

Here is a preview of the gallery images for Olympus PEN E-PM1 & Pentax Optio WG-2 GPS. The complete galleries are available at Olympus E-PM1 Gallery & Pentax WG-2 GPS Gallery.

If you're intending to carry your camera frequently, you will have to factor in its weight and proportions. The Olympus E-PM1 provides outer measurements of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") with a weight of 265 grams (0.58 lbs) whilst the Pentax WG-2 GPS has measurements of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") having a weight of 198 grams (0.44 lbs).

See the Olympus E-PM1 and Pentax WG-2 GPS in our brand new Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ dependant on the lens you are utilising during that time. Below is a front view dimension comparison of the E-PM1 versus the WG-2 GPS.

Factoring in size and weight, the portability score of the E-PM1 and WG-2 GPS is 89 and 91 respectively.

Often, it is very tough to visualise the difference between sensor sizing just by reading through specs. The photograph underneath may provide you a more clear sense of the sensor measurements in the E-PM1 and WG-2 GPS.

As you can plainly see, the 2 cameras have different resolutions and different sensor sizing. The E-PM1 due to its bigger sensor will make shooting bokeh less difficult and the Pentax WG-2 GPS will resolve extra detail as a result of its extra 4MP. Higher resolution will also help you crop pictures a bit more aggressively.