Casio EX-ZR15 vs Sigma SD1 Merrill

Lets look much closer at the Casio EX-ZR15 versus Sigma SD1 Merrill, one being a Small Sensor Compact and the latter is a Advanced DSLR by manufacturers Casio and Sigma. The sensor resolution of the EX-ZR15 (16MP) and the SD1 Merrill (15MP) is relatively comparable but the EX-ZR15 (1/2.3") and SD1 Merrill (APS-C) come with different sensor size.

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The EX-ZR15 was launched 3 months before the SD1 Merrill and they are both of a similar generation. Both cameras offer different body type with the Casio EX-ZR15 being a Compact camera and the Sigma SD1 Merrill being a Mid-size SLR camera.

Before going straight into a comprehensive comparison, below is a simple view of how the EX-ZR15 scores against the SD1 Merrill when considering portability, imaging, features and an overall grade.

Below is a preview of the gallery photos for Casio Exilim EX-ZR15 and Sigma SD1 Merrill. The complete galleries are viewable at Casio EX-ZR15 Gallery and Sigma SD1 Merrill Gallery.

In case you're looking to lug around your camera frequently, you should factor its weight and proportions. The Casio EX-ZR15 has got outer dimensions of 102mm x 59mm x 27mm (4.0" x 2.3" x 1.1") having a weight of 176 grams (0.39 lbs) while the Sigma SD1 Merrill has measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") having a weight of 790 grams (1.74 lbs).

Contrast the Casio EX-ZR15 versus Sigma SD1 Merrill 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 working with at the time. The following is the front view overall size comparison of the EX-ZR15 compared to the SD1 Merrill.

Looking at dimensions and weight, the portability score of the EX-ZR15 and SD1 Merrill is 93 and 57 respectively.

Typically, it is very difficult to imagine the difference in sensor measurements purely by going through specs. The graphic below might give you a stronger sense of the sensor dimensions in the EX-ZR15 and SD1 Merrill.

As you can plainly see, the two cameras offer different megapixel count and different sensor measurements. The EX-ZR15 because of its smaller sensor is going to make achieving shallow depth of field more difficult and the Casio EX-ZR15 will provide greater detail utilizing its extra 1 Megapixels. Higher resolution will also help you crop photographs a little more aggressively.