Casio EX-Z450 vs Sigma SD1

Here, we will be looking at the Casio EX-Z450 versus Sigma SD1, one is a Small Sensor Compact and the latter is a Advanced DSLR by companies Casio and Sigma. The resolution of the EX-Z450 (12MP) and the SD1 (15MP) is pretty similar but the EX-Z450 (1/2.3") and SD1 (APS-C) have totally different sensor measurements.

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The EX-Z450 was unveiled 13 months earlier than the SD1 which makes them a generation away from each other. Both of these cameras feature different body design with the Casio EX-Z450 being a Compact camera and the Sigma SD1 being a Mid-size SLR camera.

Before diving into a complete comparison, here is a short introduction of how the EX-Z450 grades against the SD1 in the way of portability, imaging, features and an overall mark.

Following is a preview of the gallery images for Casio Exilim EX-Z450 and Sigma SD1. The full galleries are available at Casio EX-Z450 Gallery and Sigma SD1 Gallery.

In case you're looking to travel with your camera frequently, you are going to need to factor in its weight and proportions. The Casio EX-Z450 provides external dimensions of 81mm x 56mm x 21mm (3.2" x 2.2" x 0.8") along with a weight of 128 grams (0.28 lbs) whilst the Sigma SD1 has measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") with a weight of n/a grams (0.00 lbs).

Contrast the Casio EX-Z450 versus Sigma SD1 in the all new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change based on the lens you use at that moment. The following is a front view measurements comparison of the EX-Z450 and the SD1.

Taking into consideration size and weight, the portability rating of the EX-Z450 and SD1 is 96 and 77 respectively.

Usually, it is very difficult to envision the difference between sensor dimensions purely by reviewing technical specs. The picture below may offer you a better sense of the sensor dimensions in the EX-Z450 and SD1.

As you have seen, the 2 cameras come with different megapixel count and different sensor dimensions. The EX-Z450 with its tinier sensor will make shooting shallower DOF trickier and the Sigma SD1 will offer greater detail having an extra 3 Megapixels. Higher resolution will make it easier to crop photographs a good deal more aggressively. The more aged EX-Z450 is going to be disadvantaged in sensor tech.