Casio EX-Z90 vs Sigma SD15

In this article, we will be comparing the Casio EX-Z90 and Sigma SD15, one being a Small Sensor Compact and the latter is a Advanced DSLR by competitors Casio and Sigma. There exists a big gap among the resolutions of the EX-Z90 (12MP) and SD15 (5MP) and the EX-Z90 (1/2.3") and SD15 (APS-C) come with totally different sensor dimensions.

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The EX-Z90 was introduced 6 months earlier than the SD15 so they are both of a similar generation. Both the cameras offer different body type with the Casio EX-Z90 being a Compact camera and the Sigma SD15 being a Mid-size SLR camera.

Before we go through a in depth comparison, below is a simple overview of how the EX-Z90 matches up versus the SD15 for portability, imaging, features and an overall grade.

Following is a preview of the gallery photos for Casio Exilim EX-Z90 and Sigma SD15. The whole galleries are available at Casio EX-Z90 Gallery and Sigma SD15 Gallery.

For anyone who is planning to lug around your camera regularly, you'll have to factor in its weight and dimensions. The Casio EX-Z90 has physical measurements of 90mm x 52mm x 19mm (3.5" x 2.0" x 0.7") accompanied by a weight of 121 grams (0.27 lbs) and the Sigma SD15 has dimensions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") and a weight of 750 grams (1.65 lbs).

Examine the Casio EX-Z90 and Sigma SD15 in the latest Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you are employing at that moment. The following is the front view over all size comparison of the EX-Z90 versus the SD15.

Considering dimensions and weight, the portability score of the EX-Z90 and SD15 is 96 and 59 respectively.

Quite often, it's difficult to visualise the difference in sensor measurements purely by seeing specs. The photograph underneath may offer you a stronger sense of the sensor measurements in the EX-Z90 and SD15.

As you can plainly see, both of the cameras enjoy different megapixels and different sensor measurements. The EX-Z90 having a smaller sensor will make shooting shallow depth of field trickier and the Casio EX-Z90 will produce greater detail using its extra 7 Megapixels. Higher resolution can also allow you to crop shots far more aggressively.