Casio EX-ZS15 vs Sigma SD1

On this page, we are evaluating the Casio EX-ZS15 vs Sigma SD1, one is a Ultracompact and the other is a Advanced DSLR by rivals Casio and Sigma. The resolution of the EX-ZS15 (14MP) and the SD1 (15MP) is very similar but the EX-ZS15 (1/2.3") and SD1 (APS-C) posses totally different sensor dimensions.

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The EX-ZS15 was manufactured 10 months after the SD1 and they are of a similar generation. The two cameras have different body design with the Casio EX-ZS15 being a Ultracompact camera and the Sigma SD1 being a Mid-size SLR camera.

Before going right into a complete comparison, here is a simple synopsis of how the EX-ZS15 matches up against the SD1 in regards to portability, imaging, features and an overall score.

Below is a sample of the gallery pics for Casio Exilim EX-ZS15 and Sigma SD1. The entire galleries are available at Casio EX-ZS15 Gallery and Sigma SD1 Gallery.

In case you're looking to carry around your camera, you will need to factor in its weight and size. The Casio EX-ZS15 enjoys physical dimensions of 103mm x 59mm x 20mm (4.1" x 2.3" x 0.8") having a weight of 154 grams (0.34 lbs) and the Sigma SD1 has specifications of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") and a weight of n/a grams (0.00 lbs).

Check the Casio EX-ZS15 vs Sigma SD1 in the new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ based on the lens you have attached at that time. Following is a front view physical size comparison of the EX-ZS15 and the SD1.

Using size and weight, the portability grade of the EX-ZS15 and SD1 is 95 and 77 respectively.

In many cases, it can be hard to envision the difference between sensor sizes only by reviewing technical specs. The image underneath might offer you a better sense of the sensor dimensions in the EX-ZS15 and SD1.

As you can tell, both of the cameras have different resolutions and different sensor sizes. The EX-ZS15 featuring a tinier sensor will make achieving bokeh more difficult and the Sigma SD1 will deliver more detail due to its extra 1 Megapixels. Greater resolution will also enable you to crop photos a bit more aggressively. The younger EX-ZS15 will have an advantage in sensor tech.