Casio EX-ZR15 vs Sigma DP3 Merrill

Let's examine more closely at the Casio EX-ZR15 vs Sigma DP3 Merrill, one being a Small Sensor Compact and the other is a Large Sensor Compact by companies Casio and Sigma. The sensor resolution of the EX-ZR15 (16MP) and the DP3 Merrill (15MP) is very well matched but the EX-ZR15 (1/2.3") and DP3 Merrill (APS-C) possess totally different sensor sizes.

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The EX-ZR15 was announced 12 months before the DP3 Merrill so they are both of a similar generation. Both of these cameras offer different body type with the Casio EX-ZR15 being a Compact camera and the Sigma DP3 Merrill being a Large Sensor Compact camera.

Before going straight into a more detailed comparison, below is a short highlight of how the EX-ZR15 matches up vs the DP3 Merrill with regards to portability, imaging, features and an overall grade.

Below is a sample of the gallery pics for Casio Exilim EX-ZR15 and Sigma DP3 Merrill. The whole galleries are available at Casio EX-ZR15 Gallery and Sigma DP3 Merrill Gallery.

If you're aiming to lug around your camera regularly, you are going to need to think about its weight and measurements. The Casio EX-ZR15 enjoys outer measurements of 102mm x 59mm x 27mm (4.0" x 2.3" x 1.1") having a weight of 176 grams (0.39 lbs) and the Sigma DP3 Merrill has proportions of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") and a weight of 330 grams (0.73 lbs).

Look at the Casio EX-ZR15 vs Sigma DP3 Merrill in the latest Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ based on the lens you have attached during that time. The following is the front view dimension comparison of the EX-ZR15 compared to the DP3 Merrill.

Taking into account dimensions and weight, the portability grade of the EX-ZR15 and DP3 Merrill is 93 and 83 respectively.

Quite often, its difficult to visualise the difference between sensor measurements purely by looking at technical specs. The photograph underneath will provide you a stronger sense of the sensor sizing in the EX-ZR15 and DP3 Merrill.

As you have seen, the 2 cameras offer different megapixels and different sensor measurements. The EX-ZR15 using its tinier sensor will make achieving shallower DOF trickier and the Casio EX-ZR15 will give you more detail with its extra 1MP. Greater resolution can also help you crop images a little more aggressively. The older EX-ZR15 is going to be disadvantaged with regard to sensor tech.