Casio EX-S7 vs Sigma SD1 Merrill

Its time to look more closely at the Casio EX-S7 versus Sigma SD1 Merrill, former is a Ultracompact while the other is a Advanced DSLR by companies Casio and Sigma. The sensor resolution of the EX-S7 (12MP) and the SD1 Merrill (15MP) is fairly comparable but the EX-S7 (1/2.3") and SD1 Merrill (APS-C) feature different sensor dimensions.

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The EX-S7 was unveiled 3 years before the SD1 Merrill which is a fairly serious difference as far as camera tech is concerned. Both cameras come with different body type with the Casio EX-S7 being a Ultracompact camera and the Sigma SD1 Merrill being a Mid-size SLR camera.

Before diving through a complete comparison, below is a brief highlight of how the EX-S7 scores against the SD1 Merrill in relation to portability, imaging, features and an overall score.

This is a sample of the gallery pictures for Casio Exilim EX-S7 & Sigma SD1 Merrill. The full galleries are viewable at Casio EX-S7 Gallery & Sigma SD1 Merrill Gallery.

If you are looking to carry around your camera regularly, you are going to need to consider its weight and dimensions. The Casio EX-S7 offers external measurements of 97mm x 57mm x 20mm (3.8" x 2.2" x 0.8") having a weight of 121 grams (0.27 lbs) while the Sigma SD1 Merrill has dimensions of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") and a weight of 790 grams (1.74 lbs).

Examine the Casio EX-S7 versus Sigma SD1 Merrill in our brand new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ dependant on the lens you use at that time. Following is the front view overall size comparison of the EX-S7 versus the SD1 Merrill.

Using size and weight, the portability rating of the EX-S7 and SD1 Merrill is 96 and 57 respectively.

In many cases, its difficult to picture the difference in sensor sizes just by seeing technical specs. The image below will offer you a greater sense of the sensor sizing in the EX-S7 and SD1 Merrill.

As you have seen, each of the cameras have got different megapixel count and different sensor sizes. The EX-S7 with its smaller sensor is going to make shooting shallow depth of field more difficult and the Sigma SD1 Merrill will show greater detail having an extra 3 Megapixels. Greater resolution can also allow you to crop pics much more aggressively. The more aged EX-S7 will be disadvantaged when it comes to sensor technology.