Casio EX-Z550 vs Sigma DP1

On this page, we are evaluating the Casio EX-Z550 vs Sigma DP1, one being a Ultracompact and the other is a Large Sensor Compact by rivals Casio and Sigma. There exists a huge gap between the resolutions of the EX-Z550 (14MP) and DP1 (5MP) and the EX-Z550 (1/2.3") and DP1 (APS-C) have totally different sensor size.

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The EX-Z550 was manufactured 20 months later than the DP1 making them a generation apart from one another. Each of the cameras have different body design with the Casio EX-Z550 being a Ultracompact camera and the Sigma DP1 being a Large Sensor Compact camera.

Before diving into a detailed comparison, here is a brief view of how the EX-Z550 matches up vs the DP1 in relation to portability, imaging, features and an overall grade.

Below is a sample of the gallery pics for Casio Exilim EX-Z550 and Sigma DP1. The entire galleries are provided at Casio EX-Z550 Gallery and Sigma DP1 Gallery.

When you are planning to lug around your camera regularly, you will need to factor its weight and dimensions. The Casio EX-Z550 provides outer dimensions of 99mm x 53mm x 20mm (3.9" x 2.1" x 0.8") having a weight of 143 grams (0.32 lbs) and the Sigma DP1 has dimensions of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") and a weight of 270 grams (0.60 lbs).

Compare the Casio EX-Z550 vs Sigma DP1 in the new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you are working with at that time. The following is a front view dimension comparison of the EX-Z550 vs the DP1.

Factoring in dimensions and weight, the portability rating of the EX-Z550 and DP1 is 95 and 87 respectively.

Typically, it is very hard to visualise the difference between sensor measurements purely by going over specs. The graphic here might give you a clearer sense of the sensor dimensions in the EX-Z550 and DP1.

All in all, both of these cameras have different megapixel count and different sensor measurements. The EX-Z550 because of its tinier sensor will make shooting shallower DOF more challenging and the Casio EX-Z550 will deliver more detail due to its extra 9 Megapixels. Greater resolution can also help you crop images a bit more aggressively. The more modern EX-Z550 will have an advantage in sensor tech.