Olympus TG-870 vs Pentax K-7

Its time to take a more detailed look at the Olympus TG-870 and Pentax K-7, one is a Ultracompact and the latter is a Advanced DSLR by manufacturers Olympus and Pentax. The sensor resolution of the TG-870 (16MP) and the K-7 (15MP) is relatively well matched but the TG-870 (1/2.3") and K-7 (APS-C) posses totally different sensor sizes.

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The TG-870 was introduced 6 years after the K-7 which is quite a serious gap as far as tech is concerned. Each of the cameras feature different body design with the Olympus TG-870 being a Ultracompact camera and the Pentax K-7 being a Mid-size SLR camera.

Before we go right into a detailed comparison, here is a brief view of how the TG-870 matches up vs the K-7 with regards to portability, imaging, features and an overall mark.

Here is a preview of the gallery photos for Olympus Stylus Tough TG-870 and Pentax K-7. The whole galleries are provided at Olympus TG-870 Gallery and Pentax K-7 Gallery.

For those who are planning to travel with your camera regularly, you are going to need to take into account its weight and measurements. The Olympus TG-870 provides exterior dimensions of 113mm x 64mm x 28mm (4.4" x 2.5" x 1.1") accompanied by a weight of 221 grams (0.49 lbs) and the Pentax K-7 has proportions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") along with a weight of 750 grams (1.65 lbs).

Compare the Olympus TG-870 and Pentax K-7 in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you are employing during that time. The following is a front view sizing comparison of the TG-870 vs the K-7.

Looking at size and weight, the portability score of the TG-870 and K-7 is 91 and 60 respectively.

Usually, its hard to see the gap between sensor dimensions purely by checking technical specs. The pic underneath should give you a clearer sense of the sensor sizes in the TG-870 and K-7.

As you have seen, the two cameras come with different megapixels and different sensor dimensions. The TG-870 using its tinier sensor will make shooting bokeh tougher and the Olympus TG-870 will resolve greater detail using its extra 1MP. Higher resolution can also let you crop pictures a good deal more aggressively. The newer TG-870 is going to have a benefit with regard to sensor innovation.