Panasonic GH3 vs Pentax WG-2 GPS

Following is a detailed analysis of the Panasonic GH3 and Pentax WG-2 GPS, one is a Advanced Mirrorless and the latter is a Waterproof by rivals Panasonic and Pentax. The resolution of the GH3 (16MP) and the WG-2 GPS (16MP) is pretty comparable but the GH3 (Four Thirds) and WG-2 GPS (1/2.3") use different sensor measurements.

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The GH3 was launched 8 months after the WG-2 GPS and they are of a similar generation. Each of the cameras come with different body type with the Panasonic GH3 being a SLR-style mirrorless camera and the Pentax WG-2 GPS being a Compact camera.

Before we go through a in depth comparison, below is a short view of how the GH3 matches up vs the WG-2 GPS with respect to portability, imaging, features and an overall score.

Here is a preview of the gallery images for Panasonic Lumix DMC-GH3 and Pentax Optio WG-2 GPS. The complete galleries are provided at Panasonic GH3 Gallery and Pentax WG-2 GPS Gallery.

If you're planning to carry around your camera, you will need to factor in its weight and proportions. The Panasonic GH3 features physical dimensions of 133mm x 93mm x 82mm (5.2" x 3.7" x 3.2") accompanied by a weight of 550 grams (1.21 lbs) and the Pentax WG-2 GPS has measurements of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") along with a weight of 198 grams (0.44 lbs).

Check out the Panasonic GH3 and Pentax WG-2 GPS in the latest Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change based on the lens you select during that time. The following is the front view sizing comparison of the GH3 and the WG-2 GPS.

Taking into consideration dimensions and weight, the portability score of the GH3 and WG-2 GPS is 66 and 91 respectively.

Normally, it is hard to visualize the gap in sensor sizes merely by going through technical specs. The image underneath might provide you a much better sense of the sensor dimensions in the GH3 and WG-2 GPS.

As you have seen, each of these cameras have got the exact same megapixel count albeit different sensor sizes. The GH3 features the bigger sensor which should make getting shallow DOF easier. The younger GH3 provides a benefit with regard to sensor technology.