Olympus TG-820 iHS vs Pentax WG-2 GPS

On this page, we are reviewing the Olympus TG-820 iHS and Pentax WG-2 GPS, both Waterproof cameras by companies Olympus and Pentax. There is a significant difference among the image resolutions of the TG-820 iHS (12MP) and WG-2 GPS (16MP) but both cameras provide the same sensor dimensions (1/2.3").

Photography Glossary

The TG-820 iHS was introduced within a month of the WG-2 GPS which means that they are of a similar generation. The two cameras have the same body design (Compact).

Before diving right into a detailed comparison, here is a simple summary of how the TG-820 iHS matches up against the WG-2 GPS in relation to portability, imaging, features and an overall score.

This is a sample of the gallery pictures for Olympus TG-820 iHS and Pentax Optio WG-2 GPS. The whole galleries are available at Olympus TG-820 iHS Gallery and Pentax WG-2 GPS Gallery.

For anybody who is intending to carry around your camera regularly, you'll need to take into account its weight and measurements. The Olympus TG-820 iHS offers physical measurements of 101mm x 65mm x 26mm (4.0" x 2.6" x 1.0") and a weight of 206 grams (0.45 lbs) and the Pentax WG-2 GPS has proportions of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") along with a weight of 198 grams (0.44 lbs).

Contrast the Olympus TG-820 iHS and Pentax WG-2 GPS in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ depending on the lens you have chosen at that time. Here is a front view dimensions comparison of the TG-820 iHS and the WG-2 GPS.

Factoring in size and weight, the portability score of the TG-820 iHS and WG-2 GPS is 92 and 91 respectively.

Often, it's difficult to see the gap in sensor sizes only by viewing a spec sheet. The picture below might provide you a much better sense of the sensor measurements in the TG-820 iHS and WG-2 GPS.

As you can see, both of the cameras provide the same sensor dimensions but not the same megapixels. You should anticipate the Pentax WG-2 GPS to provide you with extra detail using its extra 4 Megapixels. Greater resolution will also enable you to crop pics more aggressively.