Olympus TG-820 iHS vs Pentax K-7

The following is a complete assessment of the Olympus TG-820 iHS and Pentax K-7, one is a Waterproof and the other is a Advanced DSLR by companies Olympus and Pentax. The image resolution of the TG-820 iHS (12MP) and the K-7 (15MP) is fairly close but the TG-820 iHS (1/2.3") and K-7 (APS-C) have different sensor dimensions.

Photography Glossary

The TG-820 iHS was announced 2 years after the K-7 which is a fairly serious gap as far as camera tech is concerned. Each of these cameras feature different body design with the Olympus TG-820 iHS being a Compact camera and the Pentax K-7 being a Mid-size SLR camera.

Before diving into a in depth comparison, here is a concise summary of how the TG-820 iHS grades vs the K-7 in relation to portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Olympus TG-820 iHS and Pentax K-7. The whole galleries are viewable at Olympus TG-820 iHS Gallery and Pentax K-7 Gallery.

For anyone who is going to travel with your camera frequently, you need to take into account its weight and proportions. The Olympus TG-820 iHS has got outside dimensions 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 K-7 has measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") accompanied by a weight of 750 grams (1.65 lbs).

Compare the Olympus TG-820 iHS and Pentax K-7 in the latest Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change based on the lens you have chosen at that time. Underneath is a front view dimension comparison of the TG-820 iHS and the K-7.

Taking into account size and weight, the portability grade of the TG-820 iHS and K-7 is 92 and 60 respectively.

In many cases, it is hard to picture the difference in sensor dimensions purely by looking through specs. The image underneath should provide you a much better sense of the sensor dimensions in the TG-820 iHS and K-7.

All in all, both the cameras feature different megapixels and different sensor dimensions. The TG-820 iHS using its smaller sensor is going to make achieving bokeh trickier and the Pentax K-7 will provide you with more detail with its extra 3 Megapixels. Greater resolution can also make it easier to crop pics way more aggressively. The more modern TG-820 iHS should have an advantage when it comes to sensor tech.