Casio EX-ZR15 vs Sigma SD1

Its time to look more closely at the Casio EX-ZR15 and Sigma SD1, former being a Small Sensor Compact while the other is a Advanced DSLR by manufacturers Casio and Sigma. The image resolution of the EX-ZR15 (16MP) and the SD1 (15MP) is fairly similar but the EX-ZR15 (1/2.3") and SD1 (APS-C) boast different sensor size.

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The EX-ZR15 was unveiled 16 months later than the SD1 making them a generation apart from each other. Both of these cameras feature different body design with the Casio EX-ZR15 being a Compact camera and the Sigma SD1 being a Mid-size SLR camera.

Before delving straight to a more detailed comparison, here is a simple highlight of how the EX-ZR15 matches up versus the SD1 when it comes to portability, imaging, features and an overall grade.

This is a sample of the gallery pictures for Casio Exilim EX-ZR15 & Sigma SD1. The full galleries are available at Casio EX-ZR15 Gallery & Sigma SD1 Gallery.

If you're planning to lug around your camera often, you'll need to think about its weight and size. The Casio EX-ZR15 features outside measurements of 102mm x 59mm x 27mm (4.0" x 2.3" x 1.1") along with a weight of 176 grams (0.39 lbs) and the Sigma SD1 has specifications of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") accompanied by a weight of n/a grams (0.00 lbs).

Contrast the Casio EX-ZR15 and Sigma SD1 in our brand new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary dependant on the lens you are employing at that moment. Here is a front view measurements comparison of the EX-ZR15 against the SD1.

Taking into account size and weight, the portability rating of the EX-ZR15 and SD1 is 93 and 77 respectively.

Often, it is very difficult to imagine the gap between sensor measurements simply by reading a spec sheet. The graphic below may give you a more clear sense of the sensor sizing in the EX-ZR15 and SD1.

Clearly, both cameras feature different megapixel count and different sensor measurements. The EX-ZR15 with its tinier sensor is going to make shooting shallow DOF more challenging and the Casio EX-ZR15 will offer you extra detail having an extra 1MP. Greater resolution will also make it easier to crop photos way more aggressively. The newer EX-ZR15 should have an advantage when it comes to sensor technology.