Olympus TG-320 vs Sigma DP2 Merrill

Below is a thorough analysis of the Olympus TG-320 and Sigma DP2 Merrill, one being a Waterproof and the latter is a Large Sensor Compact by companies Olympus and Sigma. The sensor resolution of the TG-320 (14MP) and the DP2 Merrill (15MP) is relatively similar but the TG-320 (1/2.3") and DP2 Merrill (APS-C) possess totally different sensor dimensions.

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The TG-320 was introduced around the same time to the DP2 Merrill so they are both of a similar generation. Both of the cameras come with different body type with the Olympus TG-320 being a Compact camera and the Sigma DP2 Merrill being a Large Sensor Compact camera.

Before delving through a comprehensive comparison, below is a concise highlight of how the TG-320 scores against the DP2 Merrill with regard to portability, imaging, features and an overall grade.

Below is a preview of the gallery photos for Olympus TG-320 and Sigma DP2 Merrill. The whole galleries are viewable at Olympus TG-320 Gallery and Sigma DP2 Merrill Gallery.

For anybody who is going to lug around your camera regularly, you are going to need to think about its weight and proportions. The Olympus TG-320 provides exterior dimensions of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") with a weight of 155 grams (0.34 lbs) and the Sigma DP2 Merrill has measurements of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") and a weight of 330 grams (0.73 lbs).

Compare the Olympus TG-320 and Sigma DP2 Merrill in the all new Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilizing at the time. Below is the front view proportions comparison of the TG-320 against the DP2 Merrill.

Using size and weight, the portability score of the TG-320 and DP2 Merrill is 94 and 83 respectively.

In many cases, it can be hard to envision the contrast between sensor measurements only by reviewing a spec sheet. The graphic underneath will give you a greater sense of the sensor sizes in the TG-320 and DP2 Merrill.

Clearly, both of these cameras posses different resolutions and different sensor measurements. The TG-320 with its tinier sensor will make shooting shallower DOF trickier and the Sigma DP2 Merrill will offer you more detail using its extra 1MP. Higher resolution will let you crop pictures somewhat more aggressively.