Olympus TG-870 vs Sigma DP2

Below is a extensive analysis of the Olympus TG-870 versus Sigma DP2, one being a Ultracompact and the other is a Large Sensor Compact by rivals Olympus and Sigma. There is a crucial difference among the image resolutions of the TG-870 (16MP) and DP2 (5MP) and the TG-870 (1/2.3") and DP2 (APS-C) boast different sensor sizing.

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The TG-870 was manufactured 6 years later than the DP2 and that is a fairly serious gap as far as camera tech is concerned. Each of the cameras have different body design with the Olympus TG-870 being a Ultracompact camera and the Sigma DP2 being a Large Sensor Compact camera.

Before diving into a thorough comparison, here is a brief introduction of how the TG-870 matches up vs the DP2 in regards to portability, imaging, features and an overall grade.

The following is a sample of the gallery pics for Olympus Stylus Tough TG-870 and Sigma DP2. The entire galleries are provided at Olympus TG-870 Gallery and Sigma DP2 Gallery.

For anyone who is intending to lug around your camera often, you need to consider its weight and size. The Olympus TG-870 provides outside dimensions of 113mm x 64mm x 28mm (4.4" x 2.5" x 1.1") having a weight of 221 grams (0.49 lbs) and the Sigma DP2 has specifications of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") and a weight of 280 grams (0.62 lbs).

Examine the Olympus TG-870 versus Sigma DP2 in the all new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ based on the lens you have attached at that time. Following is a front view overall size comparison of the TG-870 and the DP2.

Taking into account size and weight, the portability grade of the TG-870 and DP2 is 91 and 86 respectively.

Generally, it's hard to picture the difference in sensor measurements purely by viewing a spec sheet. The visual underneath may provide you a greater sense of the sensor dimensions in the TG-870 and DP2.

Clearly, both of the cameras have different resolutions and different sensor measurements. The TG-870 due to its smaller sensor is going to make getting shallower DOF more challenging and the Olympus TG-870 will provide you with more detail due to its extra 11MP. Greater resolution can also allow you to crop images a bit more aggressively. The younger TG-870 should have a benefit when it comes to sensor tech.