Ricoh PX vs Sigma DP3 Merrill

The following is a extended analysis of the Ricoh PX versus Sigma DP3 Merrill, one is a Small Sensor Compact and the other is a Large Sensor Compact by manufacturers Ricoh and Sigma. The image resolution of the PX (16MP) and the DP3 Merrill (15MP) is fairly close but the PX (1/2.3") and DP3 Merrill (APS-C) offer totally different sensor size.

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The PX was released 17 months prior to the DP3 Merrill making them a generation away from one another. Each of the cameras have different body design with the Ricoh PX being a Compact camera and the Sigma DP3 Merrill being a Large Sensor Compact camera.

Before diving right into a comprehensive comparison, here is a short summation of how the PX matches up vs the DP3 Merrill when considering portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Ricoh PX and Sigma DP3 Merrill. The complete galleries are viewable at Ricoh PX Gallery and Sigma DP3 Merrill Gallery.

When you are intending to travel with your camera regularly, you need to take into account its weight and size. The Ricoh PX provides exterior dimensions of 100mm x 55mm x 21mm (3.9" x 2.2" x 0.8") and a weight of 156 grams (0.34 lbs) and the Sigma DP3 Merrill has specifications of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") along with a weight of 330 grams (0.73 lbs).

Check out the Ricoh PX versus Sigma DP3 Merrill 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 are employing at the time. Here is a front view size comparison of the PX vs the DP3 Merrill.

Factoring in dimensions and weight, the portability score of the PX and DP3 Merrill is 95 and 83 respectively.

Sometimes, it is very hard to visualise the difference in sensor dimensions just by viewing technical specs. The pic underneath will give you a more clear sense of the sensor sizes in the PX and DP3 Merrill.

As you have seen, the two cameras provide different megapixel count and different sensor dimensions. The PX due to its smaller sensor will make achieving shallow DOF trickier and the Ricoh PX will render more detail as a result of its extra 1 Megapixels. Greater resolution can also make it easier to crop photos more aggressively. The more aged PX will be disadvantaged with regard to sensor technology.