Casio EX-Z550 vs Sigma SD1 Merrill

Its time to look a bit more in depth at the Casio EX-Z550 and Sigma SD1 Merrill, former is a Ultracompact while the latter is a Advanced DSLR by rivals Casio and Sigma. The sensor resolution of the EX-Z550 (14MP) and the SD1 Merrill (15MP) is relatively comparable but the EX-Z550 (1/2.3") and SD1 Merrill (APS-C) enjoy totally different sensor size.

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The EX-Z550 was announced 3 years prior to the SD1 Merrill which is a fairly sizable difference as far as camera tech is concerned. Both of these cameras offer different body type with the Casio EX-Z550 being a Ultracompact camera and the Sigma SD1 Merrill being a Mid-size SLR camera.

Before diving through a complete comparison, below is a brief summary of how the EX-Z550 grades vs the SD1 Merrill in regards to portability, imaging, features and an overall score.

The following is a preview of the gallery photos for Casio Exilim EX-Z550 & Sigma SD1 Merrill. The whole galleries are provided at Casio EX-Z550 Gallery & Sigma SD1 Merrill Gallery.

For anyone who is intending to carry around your camera often, you are going to need to consider its weight and measurements. The Casio EX-Z550 has got physical dimensions of 99mm x 53mm x 20mm (3.9" x 2.1" x 0.8") accompanied by a weight of 143 grams (0.32 lbs) and the Sigma SD1 Merrill has proportions of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") accompanied by a weight of 790 grams (1.74 lbs).

See the Casio EX-Z550 and Sigma SD1 Merrill in our newest Camera plus Lens Size Comparison Tool.

Always remember, the weight of an ILC will vary based on the lens you use during that time. The following is the front view over all size comparison of the EX-Z550 against the SD1 Merrill.

Considering size and weight, the portability rating of the EX-Z550 and SD1 Merrill is 95 and 57 respectively.

In many cases, it is difficult to see the gap in sensor sizes purely by going through technical specs. The picture below will help offer you a stronger sense of the sensor sizes in the EX-Z550 and SD1 Merrill.

As you have seen, both of the cameras offer different resolutions and different sensor sizes. The EX-Z550 with its smaller sensor will make getting bokeh more difficult and the Sigma SD1 Merrill will produce more detail with its extra 1 Megapixels. Higher resolution will also help you crop pictures a little more aggressively. The more aged EX-Z550 will be disadvantaged in sensor innovation.