Casio EX-Z550 vs Sigma SD1

Here is a comprehensive assessment of the Casio EX-Z550 versus Sigma SD1, former being a Ultracompact while the latter is a Advanced DSLR by companies Casio and Sigma. The resolution of the EX-Z550 (14MP) and the SD1 (15MP) is relatively similar but the EX-Z550 (1/2.3") and SD1 (APS-C) have different sensor dimensions.

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The EX-Z550 was manufactured 8 months earlier than the SD1 which means that they are both of a similar age. Both cameras have different body design with the Casio EX-Z550 being a Ultracompact camera and the Sigma SD1 being a Mid-size SLR camera.

Before delving into a full comparison, here is a simple introduction of how the EX-Z550 grades versus the SD1 with respect to portability, imaging, features and an overall rating.

Below is a preview of the gallery photos for Casio Exilim EX-Z550 & Sigma SD1. The entire galleries are viewable at Casio EX-Z550 Gallery & Sigma SD1 Gallery.

If you are going to carry your camera regularly, you'll have to think about its weight and dimensions. The Casio EX-Z550 has physical measurements of 99mm x 53mm x 20mm (3.9" x 2.1" x 0.8") with a weight of 143 grams (0.32 lbs) and the Sigma SD1 has dimensions of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") having a weight of n/a grams (0.00 lbs).

Take a look at the Casio EX-Z550 versus Sigma SD1 in our newest Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ based on the lens you are employing at that time. Following is a front view overall size comparison of the EX-Z550 versus the SD1.

Looking at size and weight, the portability grade of the EX-Z550 and SD1 is 95 and 77 respectively.

Oftentimes, it is very hard to picture the contrast between sensor sizing only by reading a spec sheet. The graphic here may provide you a far better sense of the sensor sizing in the EX-Z550 and SD1.

As you can see, both of the cameras provide different megapixel count and different sensor sizing. The EX-Z550 due to its tinier sensor is going to make shooting shallower depth of field harder and the Sigma SD1 will offer you extra detail due to its extra 1MP. Higher resolution can also make it easier to crop pictures more aggressively. The older EX-Z550 is going to be behind in sensor innovation.