Casio EX-Z90 vs Sigma SD1

In this article, we will be analyzing the Casio EX-Z90 vs Sigma SD1, one being a Small Sensor Compact and the latter is a Advanced DSLR by companies Casio and Sigma. The sensor resolution of the EX-Z90 (12MP) and the SD1 (15MP) is relatively close but the EX-Z90 (1/2.3") and SD1 (APS-C) use totally different sensor sizes.

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The EX-Z90 was launched 13 months prior to the SD1 which makes the cameras a generation apart from each other. Each of the cameras offer different body type with the Casio EX-Z90 being a Compact camera and the Sigma SD1 being a Mid-size SLR camera.

Before diving through a comprehensive comparison, below is a simple view of how the EX-Z90 matches up vs the SD1 when it comes to portability, imaging, features and an overall rating.

Here is a preview of the gallery photos for Casio Exilim EX-Z90 and Sigma SD1. The complete galleries are viewable at Casio EX-Z90 Gallery and Sigma SD1 Gallery.

For anybody who is going to carry your camera often, you will want to consider its weight and size. The Casio EX-Z90 enjoys outside measurements of 90mm x 52mm x 19mm (3.5" x 2.0" x 0.7") along with a weight of 121 grams (0.27 lbs) and the Sigma SD1 has specifications of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") along with a weight of n/a grams (0.00 lbs).

Compare the Casio EX-Z90 vs Sigma SD1 in the new Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ based on the lens you are utilising at the time. The following is the front view scale comparison of the EX-Z90 against the SD1.

Looking at size and weight, the portability score of the EX-Z90 and SD1 is 96 and 77 respectively.

In many cases, it's difficult to envision the difference in sensor sizing purely by viewing a spec sheet. The graphic underneath may offer you a greater sense of the sensor measurements in the EX-Z90 and SD1.

As you can see, both of these cameras enjoy different resolutions and different sensor sizing. The EX-Z90 due to its smaller sensor will make getting shallow depth of field tougher and the Sigma SD1 will render more detail utilizing its extra 3 Megapixels. Higher resolution will enable you to crop shots far more aggressively. The older EX-Z90 will be behind with regard to sensor innovation.