Casio EX-Z400 vs Sigma DP1s

Following is a thorough assessment of the Casio EX-Z400 versus Sigma DP1s, one is a Ultracompact and the other is a Large Sensor Compact by competitors Casio and Sigma. There exists a sizeable gap between the resolutions of the EX-Z400 (12MP) and DP1s (5MP) and the EX-Z400 (1/2.3") and DP1s (APS-C) possess totally different sensor sizes.

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The EX-Z400 was brought out 8 months before the DP1s and they are of a similar generation. Both cameras come with different body type with the Casio EX-Z400 being a Ultracompact camera and the Sigma DP1s being a Large Sensor Compact camera.

Before diving in to a complete comparison, below is a brief view of how the EX-Z400 grades vs the DP1s for portability, imaging, features and an overall score.

Here is a sample of the gallery pictures for Casio Exilim EX-Z400 and Sigma DP1s. The entire galleries are available at Casio EX-Z400 Gallery and Sigma DP1s Gallery.

If you are intending to carry around your camera frequently, you will need to consider its weight and measurements. The Casio EX-Z400 has got exterior measurements of 95mm x 60mm x 23mm (3.7" x 2.4" x 0.9") with a weight of 130 grams (0.29 lbs) and the Sigma DP1s has proportions of 109mm x 60mm x 31mm (4.3" x 2.4" x 1.2") with a weight of 270 grams (0.60 lbs).

Take a look at the Casio EX-Z400 versus Sigma DP1s in the new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are working with at the time. Below is the front view over all size comparison of the EX-Z400 and the DP1s.

Considering dimensions and weight, the portability grade of the EX-Z400 and DP1s is 95 and 90 respectively.

Quite often, it is very tough to visualise the contrast between sensor sizes merely by looking at technical specs. The pic below will provide you a clearer sense of the sensor sizing in the EX-Z400 and DP1s.

As you have seen, both of these cameras posses different megapixel count and different sensor sizes. The EX-Z400 due to its tinier sensor will make getting shallower DOF more challenging and the Casio EX-Z400 will give extra detail having its extra 7 Megapixels. Greater resolution will let you crop pics somewhat more aggressively. The more aged EX-Z400 is going to be behind when it comes to sensor innovation.