Casio EX-Z400 vs Sigma DP3 Merrill

Lets look a little more in depth at the Casio EX-Z400 versus Sigma DP3 Merrill, one being a Ultracompact and the other is a Large Sensor Compact by competitors Casio and Sigma. The sensor resolution of the EX-Z400 (12MP) and the DP3 Merrill (15MP) is very close but the EX-Z400 (1/2.3") and DP3 Merrill (APS-C) posses different sensor sizing.

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The EX-Z400 was brought out 5 years earlier than the DP3 Merrill and that is a fairly serious gap as far as camera technology is concerned. Both of these cameras feature different body design with the Casio EX-Z400 being a Ultracompact camera and the Sigma DP3 Merrill being a Large Sensor Compact camera.

Before going into a step-by-step comparison, here is a quick summation of how the EX-Z400 matches up vs the DP3 Merrill in relation to portability, imaging, features and an overall rating.

Here is a sample of the gallery pics for Casio Exilim EX-Z400 and Sigma DP3 Merrill. The entire galleries are viewable at Casio EX-Z400 Gallery and Sigma DP3 Merrill Gallery.

When you are looking to carry your camera, you will want to factor in its weight and volume. The Casio EX-Z400 enjoys external dimensions of 95mm x 60mm x 23mm (3.7" x 2.4" x 0.9") having a weight of 130 grams (0.29 lbs) and the Sigma DP3 Merrill has sizing of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") having a weight of 330 grams (0.73 lbs).

Compare the Casio EX-Z400 versus Sigma DP3 Merrill in the latest Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you select during that time. Here is a front view dimension comparison of the EX-Z400 against the DP3 Merrill.

Looking at dimensions and weight, the portability grade of the EX-Z400 and DP3 Merrill is 95 and 83 respectively.

Quite often, it's tough to picture the contrast in sensor sizing only by researching technical specs. The visual underneath will help offer you a clearer sense of the sensor dimensions in the EX-Z400 and DP3 Merrill.

As you can tell, both of the cameras come with different resolutions and different sensor sizing. The EX-Z400 due to its smaller sensor is going to make achieving shallow DOF more challenging and the Sigma DP3 Merrill will result in more detail having its extra 3MP. Greater resolution can also allow you to crop images a good deal more aggressively. The older EX-Z400 will be disadvantaged when it comes to sensor technology.